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Transportation

106th Street Bridge
Spanning Calumet River at East 106th Street, Chicago, Cook County, IL

125-127 Main Street (Commercial)
Tarboro, Edgecombe County, NC,

Abraham Lincoln Memorial Bridge
Spanning Missouri River on Highway 30 between Nebr, Blair, Washington County, NE

Acadia National Park Motor Roads
Bar Harbor, Hancock County, ME,

Acadia National Park Roads & Bridges
Mount Desert Island, Bar Harbor, Hancock County, ME

Achmun Creek Bridge
Spanning Achmun Creek at County Road 222, Ola, Yell County, AR

Ahwahnee Bridge
Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

All Year Highway
Between Arch Rock & Yosemite Valley, El Portal, Mariposa County, CA

ALLIGATOR
Crescent Lake, Crescent City, Putnam County, FL

Alpine Station
Frame Boarding House, Pitkin, Gunnison County, CO

Alpine Station
Pitkin, Gunnison County, CO,

Alpine Station
Stone Engine House, Pitkin, Gunnison County, CO

Alpine Station
Telegraph Office, Pitkin, Gunnison County, CO

Amphitheater Bridge
Spanning Little Harbor Brook on Amphitheater Road, Seal Harbor, Hancock County, ME

Arches (Retaining Wall)
Middlefield, Hampshire County, MA,

Arches National Park Main Entrance Road
Beginning at U.S. Highway 191, approximately 6 mil, Moab, Utah County

Arches National Park Main Entrance Road
Moab Canyon Wash Culvert, Spanning Moab Canyon wash at Main Entrance Road, Moab, Grand County

Arlington Memorial Bridge
Boundary Channel Extension, Spanning Mount Vernon Memorial Highway & Boundary , Washington, District of Columbia

Arroyo Seco Channel Pedestrian Bridge
Spanning Arroyo Seco Channel south of Avenue 60, A, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Arroyo Drive Bridge, Milepost 30.30, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Arroyo Seco Bridge, Spanning Arroyo Seco at milepost 30.10, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Avenue 26 Bridge, Milepost 25.91, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Avenue 43 Bridge, Milepost 27.12, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Avenue 52 Bridge, Milepost 28.05, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Avenue 60 Bridge, Milepost 28.76, Los Angeles, Los Angeles County

Arroyo Seco Parkway
College Street Bridge, Milepost 24.16, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Fair Oaks Avenue Bridge, Milepost 31.17, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Figueroa Street Viaduct, Spanning Los Angeles River, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Fremont Avenue Bridge, Milepost 31.01, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Grand Avenue Bridge, Milepost 30.43, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Los Angeles to Pasadena, Los Angeles, Los Angeles County, CA

Arroyo Seco Parkway
Marmion Way Bridge, Milepost 29.28, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Meridian Avenue Bridge, Milepost 30.78, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Orange Grove Avenue Bridge, Milepost 30.59, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Park Row Bridge, Milepost 25.20, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Pasadena Avenue Bridge, Milepost 26.48, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Prospect Avenue Bridge, Milepost 30.70, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Solano Avenue Underpass, Milepost 25.09, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Stadium Way Bridge, Milepost 24.53, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Sycamore Grove Pedestrian Bridge, Milepost 27.64, Los Angeles, Los Angeles County

Arroyo Seco Parkway
Via Marisol Bridge, Milepost 28.38, Los Angeles, Los Angeles County

Arroyo Seco Parkway
York Boulevard Bridge, Milepost 29.50, Los Angeles, Los Angeles County

Atchison
Topeka & Santa Fe Railroad Bridge, Spanning Arroyo Seco Parkway at parkway milepost 2, Los Angeles, Los Angeles County

Atherton Bridge
Spanning Nashua River on Bolton Road, Lancaster, Worcester County, MA

Au Sable River Boat
Michigan Maritime Museum, South Haven, Van Buren County, MI

Augusta Bridge
Spanning White River at Highway 64, Augusta, Woodruff County, AR

Aunt Betty's Pond Road Little Bridges
Spanning unidentified stream on Aunt Betty's Pond , Bar Harbor, Hancock County, ME

Auxiliary Fishing Schooner "Evelina M. Goulart"
Essex Shipbuilding Museum, 66 Main Street, Essex, Essex County

Avalanche Creek Bridge
Spanning Avalanche Creek at Going-to-the-Sun Road, West Glacier, Flathead County, MT

Babcock Carriage House
Given Court, Lawrence, Douglas County, KS

Bailey Island Bridge
Bailey Island, Cumberland County, ME,

Bailey's Dam
Red River, Alexandria, Rapides Parish, LA

Baltimore & Ohio Railroad
Camden Station, South side of Camden Street between Eutaw & Howard, Baltimore, Independent City

Baltimore & Ohio Railroad
Carrollton Viaduct, Spanning Gwynn's Falls near Carroll Park, Baltimore, Independent City

Baltimore & Ohio Railroad
Frederick Station, Southeast Corner of Market & All Saints Streets, Frederick, Frederick County

Baltimore & Ohio Railroad
Howard Street Tunnel, 1300 Mount Royal Avenue, Baltimore, Independent City

Baltimore & Ohio Railroad
Mount Clare Shops, South side of Pratt Street between Carey & Popplet, Baltimore, Independent City

Baltimore & Ohio Railroad
Mount Clare Station, 500 block West Pratt Street, Baltimore, Independent City

Baltimore & Ohio Railroad
Mount Royal Station, Baltimore, Independent City, MD

Baltimore & Ohio Railroad
Mount Royal Trainshed, 1400 Cathedral Street, Baltimore, Independent City

Baltimore & Ohio Railroad
Patterson Viaduct, West Bank of Patapsco River, near Ilchester Bridge, Ilchester

Baltimore & Ohio Railroad
Queen City Hotel & Station, West Side of Park Street, Opposite Ann Street, Cumberland

Baltimore & Ohio Railroad
Sykesville Station, West Side of Main Street, Sykesville, Carroll County

Baltimore & Ohio Railroad
Viaduct, Spanning Patapsco River, Ilchester, Baltimore County

Baltimore-Washington Parkway
Greenbelt, Prince George's County, MD,

Bancroft Bridge
Middlefield, Hampshire County, MA,

Barber Bridge
Spanning Musselshell River, Barber, Golden Valley County, MT

Bard Rock Bridge
Spanning New York Central Railroad tracks, Hyde Park, Dutchess County, NY

Baring Creek Bridge
Spanning Baring Creek at Going-to-the-Sun Road, West Glacier, Flathead County, MT

Barrackville Covered Bridge
Spanning Buffalo Creek on Pike Street , Barrackville, Marion County, WV

Baseline Bridge
Spanning South Platte River on County Road 168, Brighton, Adams County, CO

Bath Bridge
Spanning Ammonoosuc River, Lisbon Road, Bath, Grafton County

Beachside Avenue Bridge
Westport, Fairfield County, CT,

Beaver Bridge
Spanning White River at State Highway No. 187, Beaver, Carroll County, AR

Beaver Creek Bridge
Hot Springs, Custer County, SD,

Beaverkill Bridge
Spanning Beaver Kill, TR 30 (Craigie Claire Road), Roscoe, Sullivan County

Bells Ford Bridge
Spanning East Fork White River at State Route 258, Seymour, Jackson County, IN

Belton Bridge
Spanning middle fork of Flathead River at Going-to, West Glacier, Flathead County, MT

Bennett's Mill Bridge
Spanning Tygart's Creek, East Tygart's Creek Road , Lynn, Greenup County

Benton Filling Station
33 East Taunton Road, Berlin, Camden County, NJ

Bethel Gulf Company Service Station
203 Southeast First Avenue, Gainesville, Alachua County, FL

Big Four Bridge
Spanning Ohio River, Louisville, Jefferson County, KY

Big Oak Flat Road Tunnel No. 1
Through mountain spur on New Big Oak Flat Road, Yosemite Village, Mariposa County, CA

Big Oak Flat Road Tunnel No. 2
Through mountain spur on New Big Oak Flat Road, Yosemite Village, Mariposa County, CA

Big Oak Flat Road Tunnel No. 3
Through mountain spur on New Big Oak Flat Road, Yosemite Village, Mariposa County, CA

Big Oak Flat Road
Between Big Oak Flat Entrance & Merced River, Yosemite Village, Mariposa County, CA

Big Piney Creek Bridge
Spanning Big Piney Creek at State Highway 123, Fort Douglas, Johnson County, AR

Black Bridge
Spanning Gunnison River, Grand Junction, Mesa County, CO

Black River Bridge
Spanning Black River at U.S. Highway 67, Pocahontas, Randolph County, AR

Black River Bridge
Spans Black River on Town Highway 36, Coventry, Orleans County, VT

Blackstone Canal
Albion, Providence County, RI,

Blackstone Canal
Blackstone River & Washington Highway (Quinnville), Ashton, Providence County, RI

Blackstone Canal
Canal Tender's House, Blackstone River, Washington Highway, Ashton

Blackstone Canal
Front Street & Lonsdale Avenue (Lonsdale), Lonsdale, Providence County, RI

Blackstone Canal
Pawtucket, Providence County, RI,

Blackstone Canal
State Route 126, Central Falls, Providence County, RI

Blackwell Bridge
Heardmont, County Road 244, Heardmont, Elbert County

Blackwoods Bridge
Spanning Park Loop Road at Route 3 near Blackwoods, Otter Creek, Hancock County, ME

Blair Crossing Bridge
Spanning Missouri River, Blair, Washington County, NE

Blenheim Bridge
Spanning Schoharie Creek, River Road (now bypassed, North Blenheim, Schoharie County

Blue Water Bridge Plaza
410 Elmwood Street, Port Huron, St. Clair County, MI

Bluffs Footbridge
Washington, District of Columbia, DC,

Bodie Island Light Station
Off Highway 12, Nags Head, Dare County, NC

Bodie Railroad Station
Bodie State Historic Park, Bodie, Mono County, CA

Bonner's Ferry Bridge
Spanning Kootenai River, Bonners Ferry, Boundary County, ID

Bonneville Project
Columbia River, 1 mile Northeast of Exit 40, off I, Bonneville

Boston & Providence Railroad
Canton Viaduct, Neponset Street at East branch of Neponset River, Canton, Norfolk County

Boston & Providence Railroad
Stoughton Station, 53 Wyman Street, Stoughton, Norfolk County

Boulder Bridge
Spanning Rock Creek at Beach Drive, South of Joyce, Washington, District of Columbia

Boundary Channel Bridge (New)
Spanning Boundary Channel, Washington, District of Columbia, DC

Boundary Channel Bridge
Spanning Boundary Channel, Washington, District of Columbia, DC

Boundary Footbridge
Washington, District of Columbia, DC,

Box Canyon Tunnel
Through spur of Stevens Ridge at Box Canyon on Ste, Packwood, Lewis County, WA

Bridalveil Creek Bridge
Spanning Bridalveil Creek on Glacier Point Road, Yosemite Village, Mariposa County, CA

Bridalveil Fall Bridge No. 1
Spanning Bridalveil Creek on carriage road, Yosemite Village, Mariposa County, CA

Bridalveil Fall Bridge No. 2
Spanning Bridalveil Creek on carriage road, Yosemite Village, Mariposa County, CA

Bridalveil Fall Bridge No. 3
Spanning Bridalveil Creek on carriage road, Yosemite Village, Mariposa County, CA

Bridalveil Fall Culverts
Spanning small watercourses on Southside Drive, Yosemite Village, Mariposa County, CA

Bridge over Bird Creek
Spanning Bird Creek, Avant, Osage County, OK

Bridgeport Covered Bridge
Spanning South Fork of Yuba River at bypassed sect, Bridgeport, Nevada County, CA

Broad River Highway Bridge
State Route 72, spanning Broad River, Carlton, Madison County

Brown Bridge
Spanning Cold River, Upper Cold River Road, Shrewsbury, Rutland County

Bryce Canyon National Park Rim Road
State Highway 63 to Rainbow Point, Tropic, Garfield County, UT

Bubble Pond Bridge
Spanning abandoned Motor Road on Bubble Pond Carri, Bar Harbor, Hancock County, ME

Buffalo River Bridge
Spanning Buffalo River at State Highway 7, Pruitt, Newton County, AR

Buffalo River Bridge
Spanning Buffalo River on U.S. Highway 65, Marshall, Searcy County, AR

Bunker Hill Bridge
Spanning Lyle Creek, bypassed section of Island Fo, Claremont, Catawba County

Bureau of Mines Boulder City Experimental Station
Weigh Station, Date Street north of U.S. Highway 93, Boulder City, Clark County

Burnside Bridge
Burnside Bridge Road, Sharpsburg, Washington County, MD

Cabin John Overpass
Spanning Clara Barton Parkway at Erricson Road, Cabin John, Montgomery County, MD

Cache River Bridge
Spanning Cache River at U.S. Highway 412, Walnut Ridge, Lawrence County, AR

Cadillac Mountain Road
Between Park Loop Road & Cadillac Mountain Summit, Bar Harbor, Hancock County, ME

Cairo Bridge
Spanning Ohio River, Cairo, Pulaski County, IL

Calvert Street Bridge
Spanning Rock Creek & Potomac Parkway, Washington, District of Columbia, DC

Camas Prairie Railroad
Second Subdivision, From Spalding in Nez Perce County, through Lewis C, Spalding

Cameron Suspension Bridge
Spanning Little Colorado River on Alternate U.S. R, Cameron, Coconino County, AZ

Canyon Bridge
North Rim Trail spanning Jay Creek, Yellowstone National Park, Park County, WY

Cape Royal Road
Between North Entrance Road & Cape Royal, Grand Canyon National Park, Coconino County, AZ

Capital Beltway Overpass
Spanning Interstate 495, Alexandria, Fairfax County, VA

Capital Reef National Park Roads & Bridges
Along State Route 24 between Torrey & Cainesville, Torrey, Wayne County, UT

Capital Traction Company Union Station
3600 M Street Northwest, Washington, District of Columbia, DC

Carderock Overpass
Spanning Clara Barton Parkway at Carderock Access , Carderock, Montgomery County, MD

Carroll Overhead Bridge
Altamont Pass Road, Livermore, Alameda County, CA

Cascade Creek Bridge
Spanning Cascade Creek on New Big Oak Flat Road, Yosemite Village, Mariposa County, CA

Casselman River Bridge
National Road (U.S. Route 40) at Little Crossings, Grantsville, Garrett County, MD

Cataract Falls Bridge
Spanning Mill Creek, bypassed section of CR 279 (C, Cataract, Owen County

Cedar Creek Bridge
Spanning Cedar Creek adjacent to State Highway 154, Petit Jean State Park, Conway County, AR

Central of Georgia Railway
Cotton Yard Gates, West Broad Street, Savannah, Chatham County

Central of Georgia Railway
Down Freight Warehouse, 233 West Broad Street (at rear of Red Building), Savannah, Chatham County

Central of Georgia Railway
Gray Building, 227 West Broad Street, Savannah, Chatham County

Central of Georgia Railway
Passenger Station & Train Shed, Corner of Louisville (Railroad) Road & West Broad , Savannah, Chatham County

Central of Georgia Railway
Red (Administration) Building, 233 West Broad Street, Savannah, Chatham County

Central of Georgia Railway
Savannah Repair Shops & Terminal Facilities, Bounded by West Broad, Jones, West Boundary & Hull

Central of Georgia Railway
Up Freight Warehouse, 227 West Broad Street (at rear of Gray Building), Savannah, Chatham County

Chasm Brook Bridge
Spanning Chasm Brook on West Sargent Mountain Carr, Bar Harbor, Hancock County, ME

Chattanooga National Military Park Tour Roads
Chattanooga, Hamilton County, TN,

Chesapeake & Ohio Canal
Busey Cabin, 151.18 miles above tidewater, Oldtown, Allegany County

Chesapeake & Ohio Canal
Evitts Creek Aqueduct, 180.7 miles above tidewater, Cumberland, Allegany County

Chesapeake & Ohio Canal
Lock 71, 167.0 miles above tidewater, Oldtown, Allegany County

Chesapeake & Ohio Canal
Lock 72, 174.4 miles above tidewater, Oldtown, Allegany County

Chesapeake & Ohio Canal
Lock 75, 175.6 miles above tidewater, Cumberland, Allegany County

Chesapeake & Ohio Canal
Lock Tender's House at Lock 75, 175.6 miles above tidewater, Cumberland, Allegany County

Chesapeake & Ohio Canal
Lockhouse 75, State Route 51 & Patterson Creek, Cumberland, Allegany County

Chesapeake & Ohio Canal
Lockhouse at Lock 68, 164.8 miles above tidewater, Oldtown, Allegany County

Chesapeake & Ohio Canal
Lockhouse at Lock 70, 166.9 miles above tidewater, Oldtown, Allegany County

Chesapeake & Ohio Canal
Lockhouse at Lock 71, 167.0 miles above tidewater, Oldtown, Allegany County

Chesapeake & Ohio Canal
Lockhouse at Lock 72, 174.4 miles above tidewater, Oldtown, Allegany County

Chesapeake & Ohio Canal
Paw-Paw Tunnel, 155.2 - 155.8 miles above tidewater, Oldtown, Allegany County

Chesapeake & Ohio Canal
Roving Bridge, Lock No. 46, 107.40 miles above tidewater (Dam 5 Vicinity), Williamsport

Chesapeake & Ohio Canal
Section House, Above Lock 66, 156 miles above tidewater, Oldtown

Chesapeake & Ohio Canal
Sideling Creek Aqueduct, Above Lock 56, 136.6 miles above tidewater, Hancock

Chesapeake & Ohio Canal
Town Creek Aqueduct, 162.3 miles above tidewater, southwest of State Ro, Oldtown

Chester & Delaware River Railroad
Chester Creek Bridge, Spanning Chester Creek at Edgemont Avenue, Chester, Delaware County

Chicago & Western Indiana Railroad
Dearborn Station Trainshed, 47 West Polk Street, Chicago, Cook County

Chicago
Burlington & Quincy Railroad, Freight Office, Second & Broadway Streets, Quincy

Chicago
Burlington & Quincy Railroad, Roundhouse & Shops, Broadway & Spring Streets, Aurora

Chicago
Milwaukee & St. Paul Railway, Bridge No. Z-2, Spanning North Branch Canal at North Cherry Avenue, Chicago

Chinook Pass Entrance
Spanning Mather Memorial Highway at Chinook Pass, Longmire, Pierce County, WA

Chittenden Memorial Bridge
Artists Point Road spanning Yellowstone River, Yellowstone National Park, Park County, WY

Christine Falls Bridge
Spanning Van Trump Creek on Nisqually Road, Longmire, Pierce County, WA

CIA Entrance Overpass
McLean, Fairfax County, VA,

Clarendon Bridge
Spanning White River at U.S. Highway 79, Clarendon, Monroe County, AR

Clark's Bridge
Spanning Merced River on Service road, Yosemite Village, Mariposa County, CA

Clark's Bridge
Spanning Pemigewasset River at Clark's Trading Pos, Lincoln, Grafton County, NH

Cliffside Bridge
Spanning Jordan Ravine on Amphitheatre Carriage Ro, Seal Harbor, Hancock County, ME

Cobblestone Bridge
Spanning Jordan Stream on Gardiner-Mitchell Hill-J, Seal Harbor, Hancock County, ME

Coldwater Bridge
Spanning Coldwater Creek on Old Railroad Bed Road, Fayetteville, Lincoln County, TN

Colonial National Historical Park Roads & Bridges
Yorktown, York County, VA,

Colonial Parkway
Ballard Creek Culvert, Spanning Ballard Creek, Yorktown, York County

Colonial Parkway
Bracken Pond Culvert, Crossing Bracken Pond, Yorktown, York County

Colonial Parkway
C&O Railroad Underpass, Milepost 12.54 of Colonial Parkway, Yorktown, York County

Colonial Parkway
Halfway Creek Bridge, Spanning Halfway Creek at Colonial Parkway, Yorktown, York County

Colonial Parkway
Isthmus Bridge, Spanning Back River Isthmus, Yorktown, York County

Colonial Parkway
Jones Mill Pond Dam, Crossing Jones Mill Pond, Yorktown, York County

Colonial Parkway
Mill Creek Bridge, Spanning Mill Creek, Yorktown, York County

Colonial Parkway
Navy Mine Depot, Spanning Naval Weapons Road, Yorktown, York County

Colonial Parkway
Parkway Drive Bridge, Spanning Colonial Parkway, Yorktown, York County

Colonial Parkway
Route 199 Bridge, Spanning Colonial Parkway, Yorktown, York County

Colonial Parkway
Williamsburg Tunnel, .3 mile south of C&O Railroad underpass, Yorktown, York County

Colonial Parkway
Yorktown to Jamestown Island, Yorktown, York County, VA

Colorado Historic Bridges Survey
Denver, Denver County, CO,

Colorado Historic Bridges Survey
Denver, Denver County, CO,

Colorado Historic Bridges Survey
Denver, Denver County, CO,

Colusa Bridge
Spanning Sacramento River, Colusa, Colusa County, CA

Commercial Street Bridge
Spanning Purgatoire River on Commercial Street, Trinidad, Las Animas County, CO

Contoocook Covered Bridge
Spanning Contoocook River, Hopkinton, Merrimack County, NH

Copper River & Northwestern Railroad
Gilahina Bridge, Mile 28.5, McCarthy Road, Chitina

Corkscrew Bridge
Old East Entrance Road, Sylvan Pass, Yellowstone National Park, Park County

Cotter Bridge
Spanning White River at U.S. Highway 62, Cotter, Baxter County, AR

Coulterville Road
Between Foresta & All-Weather Highway, Yosemite Village, Mariposa County, CA

County Road 130 Bridge
Spanning Gulf Creek, Rising Fawn, Dade County, GA

Covered Bridge
Jericho Road spanning Little Gunpowder Falls, Jerusalem, Harford County, MD

Covered Bridge
Spanning Stranger Creek near Highway K-92, Springdale, Leavenworth County, KS

Covington & Cincinnati Suspension Bridge
Spanning Ohio River, Covington, KY-Cincinnati, OH

Crater Lake National Park Roads
Crater Lake, Klamath County, OR,

Crater Lake National Park Roads
Goodbye Creek Bridge, Spanning Goodbye Creek at Munson Valley Road, Crater Lake, Klamath County

Crawfish Creek Bridge
Spanning Crawfish Creek at South Entrance Road, Yellowstone, Teton County, WY

Creek Culvert
Spanning unnamed creek (near Logan Creek) at Going, West Glacier, Flathead County, MT

Crow Creek Bridge
Spanning Crow Creek on Grove Way, Castro Valley, Alameda County, CA

Crum Bridge
Spanning Little Muskingum River, TR 384A (formerly, Rinard Mills, Monroe County

Cub Creek Bridge
Spanning Cub Creek at East Entrance Road, Yellowstone National Park, Park County, WY

Cumberland & Pennsylvania Railroad
Wills Creek Bridge, Spanning Wills Creek 587 feet West of Eckhart Junc, Cumberland, Allegany County

Curtis Wharf
Ferry Slip & Sand & Gravel Wharf, O & Second Streets, Anacortes, Skagit County

Curtis Wharf
Main Dock, O & Second Streets, Anacortes, Skagit County

Curtis Wharf
O & Second Streets, Anacortes, Skagit County, WA

Curtis Wharf
Ticket Office, O & Second Streets, Anacortes, Skagit County

Cutler Bridge
Winterset City Park, Winterset, Madison County, IA

Cuttingsville Bridge
Spanning Mill River at State Route 103, Shrewsbury, Rutland County, VT

Cypress Creek Bridge
Spanning Cypress Creek at County Road 64, Perry, Perry County, AR

Darrington Ranger Station
Building 2315, 1405 Emmens Street, Darrington, Snohomish County

Dead Indian Canyon Bridge
Spanning Dead Indian Canyon at Cameron Approach Ro, Grand Canyon, Coconino County, AZ

Dead Run Bridge
Spanning Dead Run, McLean, Fairfax County, VA

Deadwood Creek Bridge
Spanning Deadwood Creek on Mather Memorial Parkway, Longmire, Pierce County, WA

Death Valley National Park Roads
Death Valley Junction, Inyo County, CA,

DeBaliviere Station Garage
577 DeBaliviere, Saint Louis, St. Louis City County, MO

Deer Brook Bridge
Spanning Deer Brook on Eagle Lake-Jordan Pond Carr, Seal Harbor, Hancock County, ME

Deer Creek Bridge
Spanning Deer Creek at East Side Highway, Longmire, Pierce County, WA

Deer Isle-Sedgwick Bridge
Spanning Eggemoggin Reach between Sedgwick & Deer , Sedgwick, Hancock County, ME

Deerfield Bridge
Spanning Judith River, Danvers, Fergus County, MT

Dehmel Road Bridge
Spanning Cass River, Frankenmuth, Saginaw County, MI

Delaware & Raritan Canal
Outlet Locks, Between State Route 18 & Raritan River, New Brunswick, Middlesex County

Delaware
Lackawanna & Western Railroad & Ferry Terminal, Ferry Slips & Bridges, Bounded by Observer, Newark & River Streets

Delaware
Lackawanna & Western Railroad, Atlanta Passenger & Freight Station, Main & Beecher Streets, Atlanta

Devil's Island Light Station
La Pointe, Ashland County, WI,

Dewey Bridge
Spanning Colorado River at State Highway 128, Cisco, Utah County, UT

Divide Creek Bridge
Spanning Divide Creek at Going-to-the-Sun Road, West Glacier, Flathead County, MT

Dock Street Bridge
Spanning Crum Elbow Creek, Hyde Park, Dutchess County, NY

Dodge Brothers Motor Car Company Plant
Between Joseph Campau & Conant Avenues, Hamtramck, Wayne County, MI

Doe River Bridge
Spanning Doe River, Third Avenue, Elizabethton, Carter County

Dolph Toll Road
State Highway 22, Sinslaw National Forest, Hebo, Tillamook County

Donaldson Run Bridge
Spanning Donaldson Run, Arlington, VA,

Double Arch Bridge
Chester, Hampden County, MA,

Dry Channel Bridge
Spanning Clark Fork, Thompson Falls, Sanders County, MT

Dry Creek Bridge
Spanning Deadwood Creek at Yakima Park Highway, Longmire, Pierce County, WA

Duck Brook Bridge
Spanning Duck Brook between Witch Hole Loop & New , Bar Harbor, Hancock County, ME

Duck Brook Bridge
Spanning Duck Brook on Paradise Hill Road, Bar Harbor, Hancock County, ME

Duck Creek Aqueduct
Spanning Duck Creek at Whitewater Canal, Metamora, Franklin County, IN

Ducktrap Bridge
Spanning Ducktrap River at U.S. Route 1, Lincolnville, Waldo County, ME

E. & T. Fairbanks & Company
Two-Story Covered Bridge, Saint Johnsbury, Caledonia County, VT

Eagle Lake Bridge
Spanning Carriage Road on Eagle Lake Road (Route 2, Bar Harbor, Hancock County, ME

Eagle Lake Little Bridges
Spanning Duck Brook & Breakneck Brook on Eagle Lak, Bar Harbor, Hancock County, ME

East Rim Drive
Between South Entrance Road & park boundary, Grand Canyon National Park, Coconino County, AZ

East Side Highway Tunnel
Through mountain spur on East Side Highway, Packwood, Lewis County, WA

East Side Highway
Between Ohanapecosh Entrance & Cayuse Pass, Longmire, Pierce County, WA

East Side Tunnel
Through Piegan Mountain at Going-to-the-Sun Road, West Glacier, Flathead County, MT

East Verdi Bridge
Route 425, Spanning Truckee River, West of I-80 & , Verdi

Edgemere Street Bridge
Spanning Lake No. 3 adjacent branch at Edgemere St, North Little Rock, Pulaski County, AR

Edith Creek Bridge
Spanning Edith Creek on Paradise Loop Road, Longmire, Pierce County, WA

Eight Mile Creek Bridge
Spanning Eight Mile Creek at U.S. Highway 49, Paragould, Greene County, AR

Eighteenth Street Bridge
Saint Louis, St. Louis City County, MO,

El Capitan Bridge
Spanning Merced River on El Capitan crossover road, Yosemite Village, Mariposa County, CA

Eldean Bridge
Spanning Great Miami River at bypassed section of , Troy, Miami County, OH

Elgin
Joliet & Eastern Railroad, Calumet River Bridge, Spanning Calumet River, north of Ewing Avenue

Elm Street Bridge
Spanning Ottauquechee River, Woodstock, Windsor County, VT

Enterprise Parker Truss Bridge
Spanning Smoky Hill River on K-43 Highway, Enterprise, Dickinson County, KS

Erie Railway
Ferryboat Susquehanna, Jersey City, Hudson County, NJ

Erie Railway
Hornell Station, Loder Street, Hornell, Steuben County

Erie Railway
Moodna Creek Viaduct, Moodna Creek, Orrs Mill Road, Salisbury Mills

Erie Railway
Paterson Station, Paterson, Passaic County, NJ

Erie Railway
Port Jervis Rock Cut, Neversink & Shinhollow Roads, Port Jervis, Orange County

Erie Railway
Port Jervis Roundhouse, Pike Street, Port Jervis, Orange County

Fall River Bridge
Spanning Fall River on CCC Camp Road, Ashton, Fremont County, ID

Fall River Road
Between Estes Park & Fall River Pass, Estes Park, Larimer County, CO

Ferry EUREKA
Hyde Street Pier, San Francisco, San Francisco County, CA

Ferry TICONDEROGA
Route 7, Shelburne, Chittenden County, VT

FHWA Creek Bridge
Spanning FHWA Creek at Northeast Entrance Road, Yellowstone National Park, Park County, WY

Fifth Street Bridge
U.S. 50 at Colorado River, Grand Junction, Mesa County, CO

Figueroa Street Tunnels
Mileposts 24.90, 25.14, 25.28, & 25.37 on Arroyo S

Firehole River Bridge
Spanning Firehole River at Fountain Freight Road, Yellowstone National Park, Teton County, WY

Firehole River Bridge
Spanning Firehole River near Morning Glory Pool at, Yellowstone National Park, Teton County, WY

Fish House Bridge
Fish House Access Road, spanning Park Loop Road, Otter Creek, Hancock County

Fishing Bridge
Spanning Yellowstone River at East Entrance Road, Yellowstone National Park, Park County, WY

Fitzsimons General Hopital
Building 255, North side of East O'Niell Avenue, between Tenth &, Aurora

Fitzsimons General Hospital
Building 256, North side of East O'Niell Avenue, between Tenth , Aurora

Fitzsimons General Hospital
Building 257, North side of East O'Neill Avenue, between Tenth &, Aurora

Fitzsimons General Hospital
Building No. 230, East side of North Page Street, Aurora, Adams County

Fitzsimons General Hospital
Equipment Shed, West J Avenue, West of Building No. 154, Aurora

Fitzsimons General Hospital
Motor Transport Dispatcher's Office, Northeast Corner of East Harlow Avenue & North Ten, Aurora, Adams County

Fitzsimons General Hospital
Motor Transport Garage & Shop, East Harlow Avenue, Between North Tenth Street & N, Aurora

Fitzsimons General Hospital
Motor Transport Garage, Northwest Corner of East Harlow Avenue, & North Tw, Aurora

Fitzsimons General Hospital
Nurses' Garage, East of Building No. 121, Aurora, Adams County

Fitzsimons General Hospital
Officers' Garage, West Pennington Avenue, West of Building 129, Aurora

Fitzsimons General Hospital
Post Exchange Garage, North Eighth Street, North of Building No. 143, Aurora

Fitzsimons General Hospital
Post Exchange Garage, Northwest Corner of West Pennington Avenue & North, Aurora, Adams County

Fitzsimons General Hospital
Wagon Shed with Office, Southeast Corner of East J Avenue & North Tenth St, Aurora, Adams County

Flint Bridge
Spanning First Branch White River, Bicknell Hill R, Tunbridge, Orange County

Floor of the Valley Road
Between Zion-Mt. Carmel Highway & Temple of Sinawa, Springdale, Washington County, UT

Floor of the Valley Road
Cable Creek Bridge, Spanning Cable Creek on Floor of Valley, Springdale, Washington County

Ford Motor Company Edgewater Assembly Plant
309 River Road, Edgewater, Bergen County, NJ

Fore River Bridge
Route 3A, spanning Fore River, Weymouth, Norfolk County

Foresta Road
Yosemite Village, Mariposa County, CA,

Forsythe Bridge
Spanning Big Flat Rock Creek, CR 650S, Moscow, Rush County

Fort Union
Mechanics' Shops, State Highway No. 161, Watrous, Mora County

Four Mile Run Bridge
Spanning Four Mile Run, Arlington, VA,

Fourteenth Street Bridge
Spanning Missouri Pacific Railroad at Fourteenth S, North Little Rock, Pulaski County, AR

Francis Street Bridge
Beneath Providence Union Station & Viaduct, Providence, Providence County, RI

Frazer Creek Bridge
Spanning Frazer Creek on Schoodic Peninsula Road, Winter Harbor, Hancock County, ME

Free-Black Bridge
Spanning Androscoggin River at Route 1, Brunswick, Cumberland County, ME

Frying Pan Creek Bridge
Spanning Frying Pan Creek on Yakima Park Highway, Longmire, Pierce County, WA

Gallatin Entrance Road
Between Bozeman & West Yellowstone, West Yellowstone, Gallatin County, MT

Gallon House Bridge
Spanning Abiqua Creek at Gallon House Road (County, Silverton, Marion County, OR

Gardiner Warehouse
140 feet Northeast of U.S. Highway 89, 750 feet So, Gardiner, Park County

Gardner River Bridge
Spanning Gardner River at North Entrance Road, Yellowstone National Park, Park County, WY

Gaspee Street Bridge
Gaspee Street at Providence Union Station Viaduct, Providence, Providence County, RI

General Repair Shop
150 feet Northeast of Gardiner Warehouse, 75 feet , Gardiner, Park County

Generals Highway
Clover Creek Bridge, Spanning Clover Creek on Generals Highway, approxi, Three Rivers

Generals Highway
Lodge Pole Bridge, Spanning Marble Fork of Kaweah River, approximatel, Three Rivers

Generals Highway
Three Rivers, Tulare County, CA,

Genoa Peak Road
Glenbrook, Douglas County, NV,

Genoa Peak Road
James Canyon Road, Spooner Summit, Douglas County, NV

Genoa Peak Road
Spur Segment 1, Spooner Summit, Douglas County, NV

Genoa Peak Road
Spur Segment 2, Spooner Summit, Douglas County, NV

Genoa Peak Road
Spur, Glenbrook, Douglas County, NV

George Washington Memorial Parkway Northbound Lane Overpass
Spanning Clara Barton Parkway, Glen Echo, Montgomery County, MD

Georgia-Carolina Memorial Bridge
State Highway 72, Elberton, Elbert County, GA

Gervais Street Bridge
Gervais Street spanning Congaree River, Columbia, Richland County, SC

Gibbon River Bridge No. 1
Spanning Gibbon River at Grand Loop Road, Yellowstone National Park, Park County, WY

Gibbon River Bridge No. 2
Spanning Gibbon River at Grand Loop Road, Yellowstone National Park, Park County, WY

Glacier Point Road
Between Chinquapin Flat & Glacier Point, Yosemite Village, Mariposa County, CA

Glebe Road Bridge
Spanning Glebe Road, Arlington, VA,

Going-to-the-Sun Road System Bridges
West Glacier, Flathead County, MT,

Going-to-the-Sun Road System Culverts
West Glacier, Flathead County, MT,

Going-to-the-Sun Road System Details
West Glacier, Flathead County, MT,

Going-to-the-Sun Road
West Glacier, Flathead County, MT,

Golden Gate Bridge
Spanning mouth of San Francisco Bay, San Francisco, San Francisco County, CA

Golden Gate Viaduct
Spanning a ravine at Grand Loop Road, Kingman Pass, Yellowstone National Park, Park County

Golden Stairs Retaining Wall
Beneath Going-to-the-Sun Road 43 miles Northeast o, West Glacier, Flathead County, MT

Goodpasture Bridge
Spanning McKenzie River at Goodpasture Road, Vida, Lane County, OR

Grand Canyon National Park Roads
Apache Street Headwall No. 1, Grand Canyon Village, Coconino County, AZ

Grand Canyon National Park Roads
Apache Street Headwall No. 2, Grand Canyon Village, Coconino County, AZ

Grand Canyon National Park Roads
Apache Street Headwall No. 3, Grand Canyon Village, Coconino County, AZ

Grand Canyon National Park Roads
Boulder Street Headwall No. 1, Grand Canyon Village, Coconino County, AZ

Grand Canyon National Park Roads
Grand Canyon National Park, Coconino County, AZ,

Grand Canyon National Park Roads
Grand Canyon Village, Coconino County, AZ,

Grand Canyon National Park Roads
Village Loop Headwall No. 1, Grand Canyon Village, Coconino County, AZ

Grand Canyon National Park Roads
Village Loop Headwall No. 2, Grand Canyon Village, Coconino County, AZ

Grand Canyon National Park Roads
Village Loop Retaining No. 1, Grand Canyon Village, Coconino County, AZ

Grand Loop Road
Forming circuit between Mammoth Hot Springs, Norri, Mammoth, Park County

Granite Creek Culvert
Spanning Granite Creek at Going-to-the-Sun Road, West Glacier, Flathead County, MT

Grant Road Bridge
Spanning Broad Branch Creek on Grant Road, Washington, District of Columbia, DC

Great Smoky Mountains National Park Roads & Bridges
Big Creek Road, Between State Route 284 & Big Creek Campground, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Cades Cove Road & Laurel Creek Road, From Townsend Wye to Cades Cove, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Cataloochee Trail & Turnpike, Between TN-NC state boundary & Cataloochee, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Cataloochee Valley Road, Cataloochee Valley, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Clingmans Dome Road, Between Newfound Gap Road & Clingmans Dome, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Cosby Park Road, Between State Route 32 & Cosby Campground, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Deep Creek Road, Between Park Boundary near Bryson City & Deep Cree, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Elkmont Road, Between Little River Road & Elkmont Campground, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Elkmont Vehicle Bridge, Spanning Little River at Elkmont Campground, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Foothills Parkway, From Chilowee to Walland & from Cosby to I-40, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Greenbrier Road, Between U.S. Route 321 & Greenbrier Road, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Heintooga Round Bottom Road & Balsam Mountain Road, Between Blue Ridge Parkway & Big Cove Road, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Little River Road, Between Sugarlands Visitor Center & Townsend Wye, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Luten Bridges, Gatlinburg, Sevier County, TN

Great Smoky Mountains National Park Roads & Bridges
Newfound Gap Road, Between Gatlinburg, TN & Cherokee, NC

Great Smoky Mountains National Park Roads & Bridges
Northshore Road, 1 mile spur at Fontana Dam & Bryson City to Noland, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Rich Mountain Road, Between Cades Cove & park boundary at Rich Mountai, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Roaring Fork Motor Nature Trail, Between Cherokee Orchard Road & U.S. Route 321, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
Smokemont Bridge, Spanning Oconaluftee River at entrance to Smokemon, Gatlinburg, Sevier County

Great Smoky Mountains National Park Roads & Bridges
The Loop Over Bridge, Newfound Gap Road 8.6 miles from park entrance, Gatlinburg, Sevier County

Green Butte Copper Company
Tram Terminous, McCarthy Creek 12 miles Northeast of McCarthy, McCarthy, Valdez-Cordova Census Area

Greenville Yard
Upper New York Bay, Jersey City, Hudson County, NJ

Griggs County Bridge
Spanning Sheyenne River at Route 2, Cooperstown, Griggs County, ND

Gulf Branch Bridge
Spanning Gulf Branch, Arlington, VA,

Hadlock Brook Bridge
Spanning Hadlock Brook on Upper Hadlock Brook Carr, Northeast Harbor, Hancock County, ME

Half-Mound Bridge
Spanning Delaware River on Federal Aid Secondary R, Valley Falls, Jefferson County, KS

Hancock-Greenfield Bridge
Spanning Contoocook River, Forest Road (formerly O, Hancock, Hillsborough County

Happy Isles Bridge
Spanning Merced River on Service road, Yosemite Village, Mariposa County, CA

Harp Creek Bridge
Spans Harp Creek at State Highway 7, Harrison, Newton County, AR

Harpole Bridge
Spanning Palouse River, 1 mile from County Route 4, Colfax, Whitman County

Harshman Bridge
Spanning Four Mile Creek, Concord-Fairhaven Road, Fairhaven, Preble County

Harvard Bridge
Spanning Charles River at Massachusetts Avenue, Boston, Suffolk County, MA

Haystack Creek Culvert
Spanning North gulch of Haystack Creek at Going-to, West Glacier, Flathead County, MT

Hemlock Bridge
Spanning Maple Spring Brook on West Sargent Mounta, Northeast Harbor, Hancock County, ME

Henry G. Shirley Memorial Highway Overpasses
Spanning Shirley Highway, Arlington, VA,

Henry Hudson Parkway
Extending 11.2 miles from West 72nd Street to Bron, New York, New York County, NY

Hetch Hetchy Road
Between Mather & Hetch Hetchy Reservoir, Mather, Tuolumne County, CA

Historic Columbia River Highway
Bridal Veil Falls Bridge, Spanning Bridal Veil Creek, Troutdale, Multnomah County

Historic Columbia River Highway
Crown Point Viaduct, Encircling Vista House at Crown Point, Troutdale, Multnomah County

Historic Columbia River Highway
Crown Point, East of Corbett, Troutdale, Multnomah County

Historic Columbia River Highway
Eagle Creek Bridge, Spanning Eagle Creek on Historic Columbia River Hi, Troutdale, Multnomah County

Historic Columbia River Highway
East Multnomah Falls Viaduct, East of Multnomah Falls, Troutdale, Multnomah County

Historic Columbia River Highway
Horsetail Falls Bridge, Spanning Horsetail Falls Creek, Troutdale, Multnomah County

Historic Columbia River Highway
Mitchell Point Tunnel & Viaduct, Through Lower Mitchell Point on Historic Columbia , Troutdale, Multnomah County

Historic Columbia River Highway
Mosier Creek Bridge, Spanning Mosier Creek carrying Historic Columbia R, Troutdale, Multnomah County

Historic Columbia River Highway
Mosier Twin Tunnels, East of Mosier, Troutdale, Multnomah County

Historic Columbia River Highway
Multnomah Creek Bridge, Historic Columbia River Highway spanning Multnomah, Troutdale, Multnomah County

Historic Columbia River Highway
Oneonta Gorge Creek Bridge, Spanning Oneonta Gorge Creek, Troutdale, Multnomah County

Historic Columbia River Highway
Oneonta Tunnel, Adjacent to Historic Columbia River Highway throug, Troutdale, Multnomah County

Historic Columbia River Highway
Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy Riv, Troutdale, Multnomah County

Historic Columbia River Highway
Stark Street Bridge, Spanning Sandy River on Stark Street at Historic C, Troutdale, Multnomah County

Historic Columbia River Highway
Toothrock Tunnel, Interstate 84, eastbound, through Toothrock

Historic Columbia River Highway
Troutdale, Multnomah County, OR,

Historic Columbia River Highway
West Multnomah Falls Viaduct, West of Multnomah Falls on Historic Columbia River, Troutdale, Multnomah County

Hogback Bridge
Spanning North River at bypassed section of Dougla, Winterset, Madison County, IA

Hominy Creek Bridge
Spanning Hominy Creek, Hominy, Osage County, OK

Honey Run Bridge
Spanning Butte Creek, bypassed section of Honey Ru, Paradise, Butte County

Honeydew Creek Bridge
Wilder Ridge Road, Honeydew, Humboldt County, CA

Honeymoon Bridge
Spanning Ellis River at State Route 16A, Jackson, Carroll County, NH

Horse Trail Underpass
Beneath Going-to-the-Sun Road Northeast of West Gl, West Glacier, Flathead County, MT

Hot Springs Bridge
Spanning Bruneau River, Hot Springs Road, Bruneau, Owyhee County

Hotchkiss Bridge
Spanning North Fork River on County Road 3400, Hotchkiss, Delta County, CO

Houseboat LA DUCHESSE
The Antique Boat Museum, Clayton, Jefferson County, NY

Houston & Texas Central Railroad Underpass
Spanning East Rosedale Avenue at Southern Pacific , Fort Worth, Tarrant County, TX

Humpback Covered Bridge
Humpback Bridge Wayside Park, spanning Dunlap Cree, Covington, Alleghany County

Hunters Beach Brook Bridge
Spanning Little Hunters Brook on Park Loop Road, Seal Harbor, Hancock County, ME

Hyde Hall Bridge
Spanning Shadow Brook, former East Lake Road, East Springfield, Otsego County

Illinois River Bridge
Spanning Illinois River at Benton County Road 3, Siloam Springs, Benton County, AR

Imes Bridge
Spanning a ravine south of County Road G50, .5 mil, Saint Charles, Madison County

Indian Ford Bridge
London Mills, Fulton County, IL,

Indian Leap Pedestrian Bridge
Norwich, New London County, CT,

Isa Lake Bridge
Spanning Isa Lake at Grand Loop Road, Yellowstone National Park, Teton County, WY

J. H. Millhollin Memorial Bridge
Spanning Ocmulgee River at Blackshear Road, Jacksonville, Coffee County, GA

Jackson Covered Bridge
Spanning Sugar Creek, CR 775N (Changed from Spann, Bloomingdale, Parke County

Jamestown Island Loop Road
Jamestown Island, Jamestown, James City County, VA

Jeffersonville Bridge
Spanning Lamoille River on Vermont Route 15, Cambridge, Lamoille County, VT

Jenny Lind Bridge
Spanning Vache Grasse Creek tributary at County Ro, Jenny Lind, Sebastian County, AR

Jim Camp Wash Bridge
Spanning Jim Camp Wash at Route 10, Holbrook, Apache County, AZ

Johnson Grove Pedestrian Bridge
Spanning Boundary Channel at pedestrian trail, Arlington, VA,

Jordan Pond Dam Bridge
Spanning Jordan Stream on Jordan Pond Carriage Roa, Seal Harbor, Hancock County, ME

Jordan Pond Road Bridge
Spanning Barr Hill-Day Mountain Carriage Road on J, Seal Harbor, Hancock County, ME

Joseph Gilpin Cart House
U.S. Route 1 (Birmingham Township), Chadds Ford, Delaware County, PA

Judsonia Bridge
Spanning LIttle White River at County Road 66, Judsonia, White County, AR

K Street Bridge
Spanning Rock Creek & Potomac Parkway, Washington, District of Columbia, DC

Kebo Brook Bridge
Spanning Kebo Brook on Park Loop Road, Bar Harbor, Hancock County, ME

Kentucky Route 49 Bridge
Spanning Rolling Fork River, Bradfordsville, Marion County, KY

Kentucky Route 762 Bridge
Spanning South Fork of Panther Creek, Owensboro, Daviess County, KY

Kenyon Bridge
Spanning Mill Brook, Town House Road, Cornish City, Sullivan County

Kings Canyon Road
Carson City, Carson City County, NV,

Klickitat Creek Bridge
Spanning Klickitat Creek on Yakima Park Highway, Longmire, Pierce County, WA

Knight's Ferry Bridge
Spanning Stanislaus River, bypassed section of Sto, Knights Ferry, Stanislaus County

Kuskalana Bridge
Mile 146 of Copper River & Northwestern Road, Chitina, Valdez-Cordova Census Area, AK

Lafayette Street Railway Powerhouse
2 South Street, Lafayette, Tippecanoe County, IN

Lake No. 1 Bridge
Spanning Lake No. 1 at Avondale Road, North Little Rock, Pulaski County, AR

Lake Street Elevated Railway Interlocking Tower
Pulaski Road, Chicago, Cook County, IL

Lakeshore Road
Boulder Basin, Boulder City, Clark County, NV

Lamar River Bridge
Spanning Lamar River at Northeast Entrance Road, Yellowstone National Park, Park County, WY

LaPointe Light Station
La Pointe, Ashland County, WI,

Laroque Bridge
Spanning New Haven River at State Route 116, Bristol, Addison County, VT

Larwood Bridge
Spanning Crabtree Creek, Fish Hatchery Road (CR 64, Lacomb, Linn County

Lassen Park Road
Mineral, Tehama County, CA,

Laughingwater Creek Bridge
Spanning Laughingwater Creek at East Side Highway, Packwood, Lewis County, WA

Lava Creek Bridge
Spanning Lava Creek at Grand Loop Road, Yellowstone National Park, Park County, WY

Lazaretto Quarantine Station
Carriage House, Wanamaker Avenue and East Second Street, Tinicum Township, Delaware County

Leavenworth Bridge
Spanning Missouri River, Leavenworth, Leavenworth County, KS

Lee Creek Bridge (No. 1)
Spanning Lee Creek at State Highway 59, Natural Dam, Crawford County, AR

Lee Creek Bridge
Spanning Lee Creek at State Highway No. 220, Cove City, Crawford County, AR

Lee's Ferry
U.S. Route Alternate 89, Page, Coconino County, AZ

Liberty Memorial Bridge
Spanning Missouri River at I-94, Bismarck, Burleigh County, ND

Light Stations of the Apostle Islands
Bayfield, Bayfield County, WI,

Lincoln Avenue Viaduct
Spanning Union Pacific Railroad between Baring Cro, Little Rock, Pulaski County, AR

Lincoln Highway
3 mile segment south of Business I-80 & ALT 93 int, West Wendover, Elko County, NV

Lindbergh Bridge
Marple Avenue over Darby Creek, Clifton Heights, Delaware County, PA

Link Farm Covered Bridge
Spanning Sinking Creek, Newport, Giles County, VA

Liston Range Rear Light
County Road 2, Biddles Corner, New Castle County, DE

Little Cossatot River Bridge
Spanning Little Cossatot River at County Road No. , Lockesburg, Sevier County, AR

Little Falls Branch Bridge
Spanning Little Falls Branch at Clara Barton Parkw, Glen Echo, Montgomery County, MD

Little Harbor Brook Bridge
Spanning Little Harbor Brook on Asticou-Jordan Pon, Northeast Harbor, Hancock County, ME

Little Hunters Beach Brook Bridge
Spanning Little Hunters Beach Brook on Park Loop R, Seal Harbor, Hancock County, ME

Little Missouri River Bridge
Spanning Little Missouri River at County Road No. , Old Rome, Clark County, AR

Little River Inlet Bridge
Spanning Boundary Channel, Washington, District of Columbia, DC

Livermore Bridge
Spanning Blood Brook at Russell Hill Road, Wilton, Hillsborough County, NH

Livery-Plaza Stable
San Juan Bautista, San Benito County, CA,

Lockport Historic District
Bounded by Eighth, Hamilton & Eleventh Streets & I, Lockport, Will County

Lockport Historic District
Chicago Sanitary & Ship Canal, Swing Bridge, Sixteenth Street, Lockport

Lockport Historic District
Illinois & Michigan Canal, Lockport, Will County, IL

Lockport Historic District
Stone Arch Bridge, Spanning Des Plaines River at Ninth Street, Lockport, Will County

Lockport Historic District
Train Station, Lockport, Will County, IL

Logan Creek Bridge
Spanning Logan Creek at Going-to-the-Sun Road, West Glacier, Flathead County, MT

Logan House Road
Glenbrook, Douglas County, NV,

Logan House Road
Spur, Glenbrook, Douglas County, NV

London Mills Bridge
Spanning Spoon River, London Mills, Knox County, IL

Lost Bridge
Spanning Little Missouri River, twenty-three miles, Killdeer, Dunn County

Lovejoy Bridge
Andover, Oxford County, ME,

Lower Level Spout Run Bridge
Westbound, spanning Spout Run, Arlington, VA

Lyon's Mill Footbridge
Washington, District of Columbia, DC,

M Street Bridge
Spanning Rock Creek & Potomac Parkway, Washington, District of Columbia, DC

MacDill Air Force Base
Vehicle Fueling Station, 7502 Hanger Loop Drive, Tampa, Hillsborough County

Maggie Creek Bridge
11 miles west of Elko, Elko, Elko County, NV

Manzanola Bridge
State Highway 207, spanning Arkansas River, Manzanola, Crowley County

Marble Fork Bridge
Spanning Marble Fork of Kaweah River on Crystal Ca, Three Rivers, Tulare County, CA

Marietta Road Bridge
Marietta Road, Spanning Inman Railroad Yards, Atlanta, Fulton County

Massachusetts Avenue Bridge
Spanning Rock Creek & Potomac Parkway, Washington, District of Columbia, DC

Mather Memorial Parkway
Between Northeast Entrance & Chinook Pass, Longmire, Pierce County, WA

Matthews Bridge
Spanning Loch Raven Reservoir on Dulaney Valley Ro, Baltimore, Baltimore County, MD

Mechanic Street Bridge
Spanning Israel River, Lancaster, Coos County, NH

Meeting House Bridge
Spanning Boston & Maine Railroad 0.1 mile east of , Arundel, York County, ME

Merchants & Miners Transportation Company Building
17 Light Street (101 East Redwood Street), Baltimore, Independent City, MD

Meriden Rock Creek Bridge
Spanning Rock Creek, Meriden, Jefferson County, KS

Merritt Parkway
(Northbound) Fairfield Service Station, Abutting South side of Merritt Parkway, Fairfield, Fairfield County

Merritt Parkway
(Northbound) New Canaan Service Station, Abutting South side of Merritt Parkway, New Canaan, Fairfield County

Merritt Parkway
(Southbound) Fairfield Service Station, Abbutting North side of Merritt Parkway, Fairfield, Fairfield County

Merritt Parkway
(Southbound) Maintenance Garage, Abutting North side of Merritt Parkway, New Canaan, Fairfield County

Merritt Parkway
(Southbound) New Canaan Service Station, Abutting North side of Merritt Parkway, New Canaan, Fairfield County

Merritt Parkway
Bayberry Lane Bridge, Spanning Bayberry Lane, Westport, Fairfield County

Merritt Parkway
Beginning in Greenwich & running 38 miles to Strat, Greenwich, Fairfield County, CT

Merritt Parkway
Black Rock Turnpike/Route 58 Bridge, Spanning Black Rock Turnpike, Fairfield, Fairfield County

Merritt Parkway
Burr Street Bridge, Spanning Merritt Parkway, Fairfield, Fairfield County

Merritt Parkway
Chestnut Hill Road/Route 53 Bridge, Spanning Chestnut Hill Road/Route 53, Norwalk, Fairfield County

Merritt Parkway
Clinton Avenue/North Clinton Avenue Bridge, Spanning Merritt Parkway, Westport, Fairfield County

Merritt Parkway
Comstock Hill Road Bridge, Spanning Merritt Parkway, Norwalk, Fairfield County

Merritt Parkway
Congress Street Bridge, Spanning Merritt Parkway, Fairfield, Fairfield County

Merritt Parkway
Cricker Brook Culvert, Spanning Cricker Brook, Fairfield, Fairfield County

Merritt Parkway
Cross Highway Bridge, Spanning Cross Highway, Fairfield, Fairfield County

Merritt Parkway
Cutspring Road Bridge, Spanning Cutspring Road, Stratford, Fairfield County

Merritt Parkway
East Branch Byram River Bridge, Spanning East branch of Byram River, Greenwich, Fairfield County

Merritt Parkway
East Rocks Road Bridge, Spanning Merritt Parkway, Norwalk, Fairfield County

Merritt Parkway
Easton Road/Route 136 Bridge, Spanning Easton Road/Route 136, Westport, Fairfield County

Merritt Parkway
Frenchtown Road Bridge, Spanning Merritt Parkway, Trumbull, Fairfield County

Merritt Parkway
Glenville Water Company & Brook Bridge, Spanning Glenville Water Company & brook, Greenwich, Fairfield County

Merritt Parkway
Greenwich (Northbound) Service Station, Abutting South side of Merritt Parkway, Greenwich, Fairfield County

Merritt Parkway
Greenwich (Southbound) Service Station, Abutting North side of Merritt Parkway, Greenwich, Fairfield County

Merritt Parkway
Grumman Avenue Bridge, Spanning Merritt Parkway, Norwalk, Fairfield County

Merritt Parkway
Guinea Road Bridge, Spanning Merritt Parkway, Stamford, Fairfield County

Merritt Parkway
High Ridge Road/Route 137 Bridge, Spanning High Ridge Road/Route 137, Stamford, Fairfield County

Merritt Parkway
Hillside Road Bridge, Spanning Hillside Road, Fairfield, Fairfield County

Merritt Parkway
Huntington Road Bridge, Stratford, Fairfield County, CT

Merritt Parkway
Huntington Turnpike/Route 108 Bridge, Spanning Merritt Parkway, Trumbull, Fairfield County

Merritt Parkway
James Farm Road Bridge, Spanning Merritt Parkway, Stratford, Fairfield County

Merritt Parkway
Lake Avenue Bridge, Spanning Merritt Parkway at 4.71 mile mark, Greenwich, Fairfield County

Merritt Parkway
Lapham Avenue Bridge, Spanning Merritt Parkway at State Route 165, New Canaan, Fairfield County

Merritt Parkway
Long Ridge Road/Route 104 Bridge, Spanning Long Ridge Road/Route 104, Stamford, Fairfield County

Merritt Parkway
Madison Avenue Bridge, Spanning Merritt Parkway, Trumbull, Fairfield County

Merritt Parkway
Main Avenue/Route 7 Bridge, Spanning Main Avenue/Route 7, Norwalk, Fairfield County

Merritt Parkway
Main Street/Route 110 Bridge, Spanning Main Street/Route 110, Stratford, Fairfield County

Merritt Parkway
Main Street/Route 25 Bridge, Spanning Merritt Parkway, Trumbull, Fairfield County

Merritt Parkway
Marvin River Road Bridge, Spanning Merritt Parkway, New Canaan, Fairfield County

Merritt Parkway
Merwins Lane Bridge, Fairfield, Fairfield County, CT

Merritt Parkway
Metro North Railroad Bridge, Spanning Merritt Parkway, New Canaan, Fairfield County

Merritt Parkway
Metro North Railroad Bridge, Spanning Metro North Railroad, Norwalk, Fairfield County

Merritt Parkway
Mianus River Culvert, Spanning Mianus River, Stamford, Fairfield County

Merritt Parkway
Mill River Bridge, Spanning Mill River, Fairfield, Fairfield County

Merritt Parkway
Morehouse Highway Bridge, Spanning Merritt Parkway, Fairfield, Fairfield County

Merritt Parkway
New Canaan Road/Route 123 Bridge, Spanning New Canaan Road/Route 123, Norwalk, Fairfield County

Merritt Parkway
Newfield Avenue Bridge, Spanning Merritt Parkway, Stamford, Fairfield County

Merritt Parkway
Newton Turnpike Bridge, Spanning Merritt Parkway, Westport, Fairfield County

Merritt Parkway
Nichols-Shelton Road Bridge, Spanning Merritt Parkway, Trumbull, Fairfield County

Merritt Parkway
North Avenue Bridge, Spanning Merritt Parkway, Westport, Fairfield County

Merritt Parkway
North Street Bridge, Spanning Merritt Parkway at 5.67 mile mark, Greenwich, Fairfield County

Merritt Parkway
Norwalk River Bridge, Spanning Norwalk River, Norwalk, Fairfield County

Merritt Parkway
Old Stamford Road/Route 106 Bridge, Spanning Old Stamford Road/Route 106, New Canaan, Fairfield County

Merritt Parkway
Park Avenue Bridge, Trumbull, Fairfield County, CT

Merritt Parkway
Pequonnock River Bridge, Spanning Pequonnock River, Trumbull, Fairfield County

Merritt Parkway
Perry Avenue Bridge, Spanning Perry Avenue, Norwalk, Fairfield County

Merritt Parkway
Plattsville Road Bridge, Spanning Merritt Parkway, Trumbull, Fairfield County

Merritt Parkway
Ponus Ridge Road Bridge, Spanning Merritt Parkway, New Canaan, Fairfield County

Merritt Parkway
Pumpkin Brook Culvert, Spanning Pumpkin Brook, Stratford, Fairfield County

Merritt Parkway
Redding Road Bridge, Spanning Merritt Parkway, Fairfield, Fairfield County

Merritt Parkway
Reservoir Road Bridge, Spanning Reservoir Road, Trumbull, Fairfield County

Merritt Parkway
Rippowam River Bridge, Spanning Rippowam River, Stamford, Fairfield County

Merritt Parkway
Riverbank Road Bridge, Spanning Merritt Parkway, Stamford, Fairfield County

Merritt Parkway
Riversville Road (East Branch) Bridge, Spanning Riversville Road & East branch of Byram R, Greenwich, Fairfield County

Merritt Parkway
Round Hill Road Bridge, Spanning Merritt Parkway at 3.5 mile mark, Greenwich, Fairfield County

Merritt Parkway
Saugatuck River Bridge, Spanning Saugatuck River, Westport, Fairfield County

Merritt Parkway
Silvermine Avenue Bridge, Spanning Silvermine Avenue, Norwalk, Fairfield County

Merritt Parkway
Silvermine River Bridge, Spanning Silvermine River, Norwalk, Fairfield County

Merritt Parkway
South Avenue/Route 124 Bridge, Spanning Merritt Parkway, New Canaan, Fairfield County

Merritt Parkway
Stanwich Road Bridge, Spanning Merritt Parkway at 7.47 mile mark, Greenwich, Fairfield County

Merritt Parkway
Taconic Road Bridge, Spanning Taconic Road, Greenwich, Fairfield County

Merritt Parkway
Toll Booth, Boothe Memorial Park, Stratford, Fairfield County

Merritt Parkway
Unity Road Bridge, Spanning Unity Road, Trumbull, Fairfield County

Merritt Parkway
Visitor's Center, Greenwich, Fairfield County, CT

Merritt Parkway
West Branch Byram River Bridge, Spanning West branch of Byram River, Greenwich, Fairfield County

Merritt Parkway
West Rocks Road Bridge, Spanning Merritt Parkway, Norwalk, Fairfield County

Merritt Parkway
Weston Road/Route 57 Bridge, Spanning Weston Road/Route 57, Westport, Fairfield County

Merritt Parkway
White Oak Shade Road Bridge, Spanning Merritt Parkway, New Canaan, Fairfield County

Merritt Parkway
White Plains Road/Route 127 Bridge, Spanning White Plains Road/Route 127, Trumbull, Fairfield County

Merritt Parkway
Wire Mill Road Bridge, Spanning Merritt Parkway, Stamford, Fairfield County

Mesa Verde National Park Main Entrance Road
Cortez, Montezuma County, CO,

Michigan Island Light Station
La Pointe, Ashland County, WI,

Middlefield Cut
Middlefield, Hampshire County, MA,

Midway Airport
South Terminal, Cicero Avenue between Fifty-fifth & Sixty-third St, Chicago, Cook County

Milkhouse Ford
Washington, District of Columbia, DC,

Milltown Bridge
Spanning Vache Grasse Creek tributary at County Ro, Milltown, Sebastian County, AR

Minnesota Veterans' Home Complex
Steel Bridge, 5101 Minnehaha Avenue, South, Minneapolis

Missouri
Kansas & Texas Railroad Underpass, Spanning East Rosedale Avenue at Missouri, Kansas, Fort Worth

Mitchell-Griggs Road Bridge
Spannning Caney Fork on Mitchell-Griggs Road, Dixon, Webster County, KY

Monroe Station
50910 Tamiami Trail East, Ochopee, Collier County, FL

Morgan Bridge
Spanning North Branch Lamoille River on Morgan Bri, Belvidere Junction, Lamoille County, VT

Morris Canal
Cassedy's Store, Waterloo, Sussex County, NJ

Morris Canal
Delaware River Portal, Phillipsburg, Warren County, NJ

Morris Canal
Greene's Mill, Stewartsville, Warren County, NJ

Morris Canal
Hotel, Phillipsburg, Warren County, NJ

Morris Canal
Inclined Plane 9 West, Port Warren, Warren County, NJ

Morris Canal
Rockport, Warren County, NJ,

Morris Canal
Scotch Turbine, Hopatcong, Sussex County, NJ

Morris Canal
Spillway, Phillipsburg, Warren County, NJ

Morris Canal
Stewartsville, Warren County, NJ,

Morris Canal
Washington, Warren County, NJ,

Morris Canal
Waterloo, Sussex County, NJ,

Morrow Drive Bridge
Washington, District of Columbia, DC,

Mott Rainbow Arch Bridge
Spanning Cannonball River, Mott, Hettinger County, ND

Mount Vernon Memorial Highway
Alexandria Avenue Bridge, Mount Vernon Memorial Highway, 3.5 miles South of , Alexandria

Mount Vernon Memorial Highway
Fort Hunt Overpass, Mount Vernon Memorial Highway, 5.9 Miles South of , Mount Vernon

Mount Vernon Memorial Highway
Hunting Creek Bridge, .3 Mile South of I-95, Alexandria, Fairfax County

Mount Vernon Memorial Highway
Parallels Potomac River from Mount Vernon to D. C., Mount Vernon, Fairfax County, VA

Mount Vernon Street Bridge
Sleepers River, Saint Johnsbury, Caledonia County, VT

Mountain Fork Bridge
Spanning Mountain Fork Creek at County Road 38, Camp Pioneer, Polk County, AR

Mowich Lake Road
Longmire, Pierce County, WA,

Muddy Fork Cowlitz River Bridge
Spanning Muddy Fork Cowlitz River on Stevens Canyo, Packwood, Snohomish County, WA

Muddy River Bridge
Spanning Muddy River northeast of I-15 & State Rou, Glendale, Clark County, NV

Mullan Road Segment
Saint Regis, Mineral County, MT,

Mullan Road
Sec. 28; T9N, R10W, approximately 6 miles Southeas, Goldcreek

Murtaugh Bridge
Murtaugh, Jerome County, ID,

National Road
Tollhouse, Sharpsburg, Washington County, MD

National Road
Tollhouse, Sharpsburg, Washington County, MD

National Road
Tollhouse, Sharpsburg, Washington County, MD

Neal Lane Bridge
Spanning South Myrtle Creek, Neal Lane (CR 124), Myrtle Creek, Douglas County

New Eagle Lake Road Bridge
Spanning New Eagle Lake Road on Paradise Hill Road, Bar Harbor, Hancock County, ME

New Harvard Street Bridge
Spans Rock Creek & Beach Drive at National Zoo, Washington, District of Columbia, DC

New Portland Suspension Bridge
Spanning Carrabasset River, New Portland, Somerset County, ME

New York Central Railroad
Lockport Passenger Station, Washburn & Union Streets, Lockport, Niagara County

New York Municipal Airport
Marine Air Terminal, Grand Central Parkway at Ninety-fourth Street, Jackson Heights, Queens County

Newport Bridge
Spanning White River at State Highway 14, Newport, Jackson County, AR

Nez Perce Bridge
Spanning Nez Perce Creek at Grand Loop Road, Yellowstone National Park, Teton County, WY

Nickel Creek Bridge
Spanning Nickel Creek on Stevens Canyon Highway, Packwood, Lewis County, WA

Nisqually Glacier Bridge
Spanning Nisqually River at Nisqually Road, Longmire, Pierce County, WA

Nisqually Road
Between Longmire & Paradise, WA, Longmire, Pierce County

Nisqually Suspension Bridge
Spanning Nisqually River on Service Road, Longmire, Pierce County, WA

Nizina Bridge
Mile 8, Nizina Road, McCarthy, Valdez-Cordova Census Area

North Airport Entry Underpass
George Washington Memorial Parkway at National Air, Arlington, VA,

North Branch Quantico Creek Bridge
Prince William Forest Park, on NPS Route 406 spann, Dumfries, Prince William County

North Central Railroad
Baltimore Freight House, Guilford & Centre Streets, Baltimore, Independent City

North Entrance Road
Between Gardiner, MT & Mammoth Hot Springs, WY, Gardiner

North Fork Bridge
Spanning North Fork of Licking River, Milford, Bracken County, KY

North Fork Bridge
Spans North Fork of White River at State Highway 5, Norfork, Baxter County, AR

North Platte River Bowstring Truss Bridge
Spanning North Platte River, Fort Laramie, Goshen County, WY

North Pullayup River Bridge (Ruins)
Formerly spanning North Pullayup River on West Sid, Packwood, Snohomish County, WA

North Williston Bridge
Spanning Winooski River at town line of Essex & Wi, Essex, Chittenden County, VT

Northeast Railroad Corridor
Amtrak route between CT & MA state lines, Providence, Providence County, RI

Northeast Railroad Corridor
Amtrak route between District of Columbia/Maryland, Baltimore, Independent City, MD

Northern Pacific Railroad Overhead Bridge
Spanning Burlington Northern Railroad, Mandan, Morton County, ND

Northfield Parker Truss Bridge
Over tracks of Central Vermont Railroad, Northfield, Washington County, VT

Northwestern Elevated Railroad
Interlocking Tower, Wilson Avenue, Chicago, Cook County

NPS Route No. 401 Bridge
Spanning Fall Kill, Hyde Park, Dutchess County, NY

Oak Grove Bridge
Spanning East Fork of Kaweah River at Mineral King, Three Rivers, Tulare County, CA

Obsidian Creek Bridge
Spanning Obsidian Creek at Indian Creek Campground, Yellowstone National Park, Park County, WY

Office Bridge
Spanning North Fork of Middle Fork Willamette Rive, Westfir, Lane County, OR

Old Bridge
Spanning former branch of Contact Creek near Summe, Anaktuvuk Pass, North Slope Borough, AK

Old Happy Isles Bridge
Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Old Harvard Street Bridge
Spanning Rock Creek at National Zoological Park, Washington, District of Columbia, DC

Old Military Road Bridge
Joyce Road spanning Rock Creek, west of intersecti, Washington, District of Columbia

Old River Bridge
Spanning Saline River at Old Military Road (River , Benton, Saline County, AR

Old Saybrook Railroad Station
455 Boston Post Road, Old Saybrook, Middlesex County, CT

Old Saybrook Railroad Station
Depot, 455 Boston Post Road, Old Saybrook, Middlesex County

Old Stables
117-119 Granville Street, Tarboro, Edgecombe County, NC

Oldtown Bridge
Spanning Pend Oreille River, U.S. Highway 2, Oldtown, Bonner County

Omaha Bridge
Spanning Missouri River, Omaha, Douglas County, NE

Onion Creek Bridge
Spanning Onion Creek .1 mile South of U.S. 166, Coffeyville, Montgomery County, KS

Original Airport Entrance Overpass
Spanning original Airport Entrance Road at Nationa, Arlington, VA,

Osage Creek Bridge
Spanning Osage Creek at County Road 71, Healing Springs, Benton County, AR

Osgood Bridge
Spanning Beebe River, Perch Pond Road, Campton Station, Grafton County

Otter Creek Bridge No. 1
Spanning Otter Creek at Grand Loop Road, Yellowstone National Park, Park County, WY

Otter Creek Bridge No. 2
Spanning Otter Creek at spur of Grand Loop Road, Yellowstone National Park, Park County, WY

Otter Creek Cove Bridge & Causeway
Spanning Otter Creek Cove on Park Loop Road, Seal Harbor, Hancock County, ME

Ouachita River Bridge
Spanning Lake Hamilton on U.S. Highway 70, Hot Springs, Garland County, AR

Ouachita River Bridge
Spanning Ouachita River at U.S. Highway 167, Calion, Calhoun County, AR

Outer Island Light Station
La Pointe, Ashland County, WI,

P Street Bridge
Spanning Rock Creek & Potomac Parkway, Washington, District of Columbia, DC

Pack Saddle Bridge
Spanning South Canadian River, U.S. Route 283, Roll, Roger Mills County

Paradise Hill Road
Between Hulls Cove & Park Loop Road, Hulls Cove, Hancock County, ME

Paradise River First Crossing Bridge
Spanning Paradise River at Narada Falls on Service, Longmire, Pierce County, WA

Paradise River Fourth Crossing Bridge
Spanning Paradise River on loop road in Paradise P, Longmire, Pierce County, WA

Paradise River Second Crossing Bridge
Spanning Paradise River at Narada Cut-off on Nisqu, Packwood, Lewis County, WA

Parker Bridge
Spanning Verdigris River 1.5 miles Southeast of Co, Coffeyville, Montgomery County, KS

Pawtucket Canal
Lower Locks, Lowell, Middlesex County, MA

Pawtucket Canal
Swamp Locks, Pawtucket & Merrimack Canals, Lowell, Middlesex County

Pebble Creek Bridge
Spanning Pebble Creek at Northeast Entrance Road, Yellowstone National Park, Park County, WY

Pecatonica River Bridge
Spanning Pecatonica River at Winnesheik Road, Freeport, Stephenson County, IL

Pelican Creek Bridge
Spanning Pelican Creek at East Entrance Road, Yellowstone National Park, Teton County, WY

Pengra Bridge
Spanning Fall Creek, Place Road (CR 480), Jasper, Lane County

Pennsylvania Avenue Bridge
Spanning Rock Creek & Potomac Parkway, Washington, District of Columbia, DC

Pennsylvania Railroad Improvements
Front & French Streets, Wilmington, New Castle County, DE

Pennsylvania Railroad Improvements
Liberty Street to Baltimore & Ohio Railroad, Wilmington, New Castle County, DE

Pennsylvania Railroad Improvements
Penn. R. R. over Brandywine River, Wilmington, New Castle County, DE

Pennsylvania Railroad
Calvert Station, Calvert & Frankin Streets, Baltimore, Independent City

Pennsylvania Railroad
Canton Coal Pier, Clinton Street at Keith Avenue (Canton area), Baltimore, Independent City

Penobscot Bridge
Spanning Penobscot River at Route 15, Bangor, Penobscot County, ME

Philadelphia
Wilmington & Baltimore Railroad, President Street Station, President & Fleet Streets, Baltimore

Pierce Mill Bridge
Washington, District of Columbia, DC,

Pigtail Bridge
Hot Springs, Custer County, SD,

Pimmit Run Bridge
Pimmit Run, McLean, Fairfax County, VA

Pine Bluff Bridge
Spanning Big Walnut Creek, CR 950N, Bainbridge, Putnam County

Pine Brook Bridge
Spanning Pine Brook on Town Highway 3, Fayston, Washington County, VT

Pine Street Bridge
Pine Street (State Route 66) , spanning Cumberland , Pineville, Bell County

Pinehurst Bridge
Beach Drive .75 mile south of Sherill Drive, spann, Washington, District of Columbia

Plattsmouth Bridge
Spanning Missouri River, Plattsmouth, Cass County, NE

Pohono Bridge
Spanning Merced River on Yosemite Valley Road, Yosemite Village, Mariposa County, CA

Poinsett Bridge
SC Route 42, 2 miles Northwest of Route 11, 2.5 mi, Tigerville

Pope Memorial Bridge
Spanning East Machias River at U.S. Route 1, East Machias, Washington County, ME

Portland & Southwestern Railroad Tunnel
Willamette Meridian, Chapman, Columbia County, OR

Post Office Covered Walkway
Providence, Providence County, RI,

Pottersburg Bridge
Spanning Big Darby Creek, North Lewisburg Road (CR, Marysville, Union County

Powder Works Bridge
Spanning San Lorenzo River, Keystone Way, Paradise, Santa Cruz

Powerscourt Bridge
Spanning Chateauguay River, First Concession Road, , Chateaugay

Prater-Morefield Tunnel
Main Entrance Road, South-southwest of Morefield V, Cortez, Montezuma County

Presumpscot Falls Bridge
Spanning Presumptscot River at Allen Avenue extens, Falmouth, Cumberland County, ME

Promenade Street Bridge
Spanning Woonasquatucket & Moshassuck Rivers, Providence, Providence County, RI

Promenade Street Interlocking Tower
Promenade Street between Union Station & East Side, Providence, Providence County, RI

Providence & Worcester Railroad
Freight House, Canal Street, Providence, Providence County

Public Service Railway Company
Newton Avenue Car Shops, Bounded by Tenth, Mount Ephraim, Border & Newton A

Pullman Industrial Complex
111th Street & Cottage Grove Avenue, Chicago, Cook County, IL

Pulp Mill Bridge
Seymour Street, Middlebury/Pulp Mill Bridge Road, , Middlebury

Purdon Crossing Bridge
Nevada City, Nevada County, CA,

Pure Oil Service Station
Intersection of U.S. 130 Northbound & Collingswood, Collingswood, Camden County, NJ

Q Street Bridge
Spanning Rock Creek & Potomac Parkway, Washington, District of Columbia, DC

Rainbow Arch Bridge
Spanning Sheyenne River at Main Street, East, Valley City, Barnes County

Raspberry Island Light Station
Bayfield, Bayfield County, WI,

Red Bridge
Spanning North Benson Creek, Frankfort, Franklin County, KY

Red Canyon Tunnel
Through Rock Fin on State Highway 12, 5 miles east, Ruby's Inn, Garfield County

Red Oak Creek Bridge
Spanning (Big) Red Oak Creek, Huel Brown Road (Cov, Woodbury, Meriwether County

Red River Bridge
Spanning Red River at U.S. Highway 82, Garland, Miller County, AR

Redwood National & State Parks Roads
California coast from Crescent City to Trinidad, Crescent City, Del Norte County, CA

Reedy Island Range Rear Light
Route 9, Taylors Corner, New Castle County, DE

Rex T. Barber Veterans Memorial Bridge
Spanning Crooked River Gorge, Dalles-California Hi, Terrebonne, Deschutes County

Richard Eames Building
220-222 North Depot Street, Salisbury, Rowan County, NC

Richmond
Fredricksburg & Potomac Railroad Underpass, Spanning GWMP at RF&P Railroad, Arlington, VA

Ricks Estate
Stone Bridge, Ricks Pond, Ricks Road, Hot Springs

Riley Springs Footbridge
Washington, District of Columbia, DC,

Rim Rock Drive
Fruita, Mesa County, CO,

River Road Bridge
Spanning Missisquoi River at River Road (Town High, Troy, Orleans County, VT

Riverside Bridge
Spanning Truckee River at Booth Street, Reno, Washoe County, NV

Roaches Run Culvert
Spanning Roaches Run, Arlington, VA,

Rock Creek & Potomac Parkway Bridge near P Street
Washington, District of Columbia, DC,

Rock Creek & Potomac Parkway
Washington, District of Columbia, DC,

Rock Creek Park Road System
Washington, District of Columbia, DC,

Rockefeller Carriage Roads
Mount Desert Island, Bar Harbor, Hancock County, ME

Rockport Bridge
Spanning Ouachita River at Old State Highway No. 8, Malvern, Hot Spring County, AR

Rockville Bridge
Spanning North Fork Virgin River at Rockville cut-, Rockville, Washington County, UT

Rocky Flats Plant
Transport Modification Center, North of Cactus Avenue, approximately 400 feet eas, Golden

Rocky Mountain National Park Roads & Bridges
Estes Park, Larimer County, CO,

Rolling Meadow Footbridge
Washington, District of Columbia, DC,

Rollins Farm Bridge
Spanning Boston & Maine Railroad at Ham Road, Rollinsford, Strafford County, NH

Roseman Bridge
Spanning Middle River at bypassed section of Webst, Winterset, Madison County, IA

Ross Drive Bridge
Spanning Rock Creek at Ross Drive, South of Joyce , Washington, District of Columbia

Rosslyn Ramp Bridge
George Washington Memorial Parkway near Key Bridge, Arlington, VA,

Roubideau Bridge
Spanning Gunnison River at County Road G50R, Delta, Delta County, CO

Route 1-National Airport Overpass
George Washington Memorial Parkway at Route 1, Nat, Arlington, VA

Route 123 Overpass
State Route 123 (Leesburg Road), McLean, Fairfax County, VA

Route 233 Bridge
Spanning Route 233 on Paradise Hill Road, Bar Harbor, Hancock County, ME

Rulo Bridge
Spanning Missouri River, Rulo, Richardson County, NE

Rustic Bridge
NPS Route No. 13 spanning Crum Elbow Creek, Hyde Park, Dutchess County, NY

RWC Creek Bridge
Spanning RWC Creek at Northeast Entrance Road, Yellowstone National Park, Park County, WY

Saddle Club Footbridge
Washington, District of Columbia, DC,

Sainsevain Property
Wagon Road, 14804 Summit Avenue, Fontana, San Bernardino County

Saline River Bridge
County Highway 365 across Saline River, Benton, Saline County, AR

Salt Creek Bridge
Spanning Big Salt Creek, bypassed section of Arch , Norwich, Muskingum County

Saluda County Bridge No. 4
Road S-26 spanning Clouds Creek, Jones Crossroads, Saluda County, SC

San Francisco Cable Railway
Washington & Mason Streets, San Francisco, San Francisco County, CA

San Juan & New York Mining & Smelting Company
Smelter Stack, State Route 160, Durango, La Plata County

Sand Island Light Station
Bayfield, Bayfield County, WI,

Savannah & Ogeechee Barge Canal
Between Ogeechee & Savannah Rivers, Savannah, Chatham County, GA

Saxton Bridge
Spanning Gunnison River on Delta County Road 650R, Delta, Delta County, CO

Schlake Ranch
Garage, 2300 East Washington Street, Petaluma, Sonoma County

Second Street Bridge
Spanning Union Pacific Railroad lines, Little Rock, Pulaski County, AR

Sedge Creek Bridge
Spanning Sedge Creek at East Entrance Road, Yellowstone National Park, Park County, WY

Sentinel Bridge
Spanning Merced River on Sentinel Bridge Crossover, Yosemite Village, Mariposa County, CA

Seven Mile Bridge
Spanning Gardner River at Grand Loop Road, Yellowstone National Park, Park County, WY

Seventy-Ninth Street Cabin John Underpass
Spanning Seventy-ninth Street at Clara Barton Park, Cabin John, Montgomery County, MD

Shaker Second Family
Carriage Block, Shaker Road, Mount Lebanon, Columbia County

Sharptown Bridge
Spanning Nanticoke River, State Route 313, Sharptown, Dorchester County

Shooters Island
Ships Graveyard, Vessel No. 53, Newark Bay, Staten Island (subdivision)

Shoreham Hill Bridge
Rock Creek & Potomac Parkway, Spanning Rock Creek, Washington, District of Columbia

Shoreham Railroad Bridge
Former Addison County Railroad (later, Rutland Rai, Shoreham, Addison County

Short Bridge
Spanning South Santiam River at High Deck Road, Cascadia, Linn County, OR

Sieur de Monts Spring Bridge
Spanning Park Loop Road at Route 3 near Sieur de M, Bar Harbor, Hancock County, ME

Sixteenth Street Bridge
Spanning Piney Branch Parkway, Washington, District of Columbia, DC

Siyeh Creek Culvert
Spanning Siyeh Creek at Going-to-the-Sun Road, West Glacier, Flathead County, MT

Skyline Drive
From Front Royal, VA to Rockfish Gap, VA , Luray

Smith Bridge
Spanning Meduxnekeag River at Lowery Road, 0.3 mil, Houlton, Aroostook County

Smith-McGee Bridge
Georgia Route 181, Hartwell, Hart County, GA

Snyder Creek Culvert
Spanning Snyder Creek at Going-to-the-Sun Road, West Glacier, Flathead County, MT

Soda Butte Creek Bridge No. 1
Spans Soda Butte Creek at Northeast Entrance Road, Yellowstone National Park, Park County, WY

Soda Butte Creek Bridge No. 2
Spanning Soda Butte Creek at Northeast Entance Roa, Yellowstone National Park, Park County, WY

Sotterly
Gate Lodge, State Route 245 & Vista Road, Hollywood, St. Mary's County

South Airport Exit Overpass
GWMP, Arlington, VA,

South Branch Quantico Creek Bridge
NPS Route 11 spanning south branch of Quantico Cre, Dumfries, Prince William County, VA

South Entrance Road
Between South park boundary & Village Loop Road, Grand Canyon National Park, Coconino County, AZ

South Fork Bridge
Spans South Fork of Saline River, adjacent to Stat, Fountain Lake, Garland County

South Fork Merced River Bridge
Spanning South Fork Merced River at Wawona, Wawona, Mariposa County, CA

South Fork Tuolumne River Bridge
Spanning South Fork Tuolumne River on Tioga Road, Mather, Tuolumne County, CA

South Puyallup River Bridge
Spanning South Puyallup River at West Side Road, Longmire, Pierce County, WA

South San Gabriel River Bridge
Spanning South Fork of San Gabriel River at George, Georgetown, Williamson County, TX

South Waterside Drive Overpass
Southbound Access Ramp From Massachusetts Avenue, Washington, District of Columbia, DC

Southern Pacific Railroad
Carlin Shops, Engine Stores Building, Foot of Sixth Street, Carlin

Southern Pacific Railroad
Carlin Shops, Foot of Sixth Street, Carlin, Elko County

Southern Pacific Railroad
Carlin Shops, Oil House, Foot of Sixth Street, Carlin

Southern Pacific Railroad
Carlin Shops, Roundhouse Machine Shop Extension, Foot of Sixth Street, Carlin

Spavinaw Creek Bridge
Spans Spavinaw Creek at Benton County Road 29, Gravette, Benton County, AR

Spencer Kellogg & Sons
Incorporated, Pier & Transit Shed, 139-155 River Road, Edgewater

Spout Run Arch Bridge
Eastbound, spanning Spout Run, Arlington, VA

Spout Run Bridge
Westbound, Spanning Spout Run, Arlington, VA

Spout Run Parkway Culvert
Spanning Spout Run at Spout Run Parkway, Arlington, VA,

Sprague Creek Culvert
Spanning Sprague Creek at Going-to-the-Sun Road, West Glacier, Flathead County, MT

Springfield-Des Arc Bridge
Spanning North Branch of Cadron Creek at Old Sprin, Springfield, Conway County, AR

Spruce Street Bridge
East Spruce Street, 500 Block, spanning Power Cana, Sault Ste. Marie

St. Andrews Creek Bridge
Spanning St. Andrews Creek on West Side Road, Longmire, Pierce County, WA

St. David's Church (Episcopal)
Horse Shed, Valley Forge Road (Newtown Township), Wayne, Delaware County

St. Francis River Bridge
Spanning St. Francis River at State Highway 18, Lake City, Craighead County, AR

St. Francis River Bridge
Spanning St. Francis River at U.S. Highway 70, Forrest City, St. Francis County, AR

St. Joseph Railway
Light, Heat & Power Company Shops Building, 713-723 Highland Avenue, Saint Joseph

St. Louis - San Francisco Bridge
Spanning Spring River at U.S. Highway 62, Imboden, Lawrence County, AR

St. Louis Union Station Powerhouse
South Eighteenth Street, North of U.S. Highway 40, Saint Louis, St. Louis City County

St. Mary River Bridge
Spanning St. Mary River at Going-to-the-Sun Road, West Glacier, Flathead County, MT

Stanley Brook Bridge
Spanning Stanley Brook, Stanley Brook Motor Road, , Seal Harbor

Starnes Bridge
Spanning Eagle Creek, Holbrook, Grant County, KY

State Bridge
Spanning Rio Grande River, Del Norte, Rio Grande County, CO

Steam Schooner WAPAMA
Sausalito, Marin County, CA,

Steel Bridge
Spanning Jackson Road at Confederate Avenue, Vicksburg, Warren County, MS

Stevens Canyon Highway
Between Paradise, WA, & State Highway 123, Longmire

Stevens Canyon Tunnel
Through mountain spur on Stevens Canyon Highway, Longmire, Pierce County, WA

Stevens Creek Bridge
Spanning Stevens Creek on Stevens Canyon Highway, Packwood, Lewis County, WA

Stillwell Avenue Station
Intersection of Stillwell & Surf Avenues, Brooklyn, Kings County, NY

Stone Bridge
Spanning Bull Run, Manassas, Prince William County, VA

Stoneman Bridge
Spanning Merced River on Stoneman Crossover Road, Yosemite Village, Mariposa County, CA

Sugar Pine Bridge
Spanning Merced River on service road, Yosemite Village, Mariposa County, CA

Suger Creek Bridge
Spanning Suger Creek, Hopkinsville, Christian County, KY

Sulphite Railroad Bridge
Former Boston & Maine Railroad (originally Tilton , Franklin, Merrimack County, NH

Sunbeam Creek Culvert
Spanning Sunbeam Creek at Stevens Canyon Highway, Longmire, Pierce County, WA

Sunday River Bridge
Spanning Sunday River, Newry, Oxford County, ME

Swallow's Bridge
Spanning Mill Brook at Churchill Road, Windsor, Windsor County, VT

Taconic State Parkway
Poughkeepsie, Dutchess County, NY,

Taftsville Bridge
Spanning Ottaquechee River, Taftsville Bridge Road, Taftsville, Windsor County

Tenaya Creek Bridge
Spanning Tenaya Creek on Mirror Lake Road, Yosemite Village, Mariposa County, CA

Texas & Pacific Railway Depot
Seventh Street, Natchitoches, Natchitoches Parish, LA

Thames Tow Boat Company
Ships Cradle No. 3, Uncasville, New London, New London County

Thatcher Bridge
Spanning Bear River, Thatcher, Franklin County, ID

Theodore Roosevelt Island Pedestrian Bridge
GWMP at Theodore Roosevelt Island, Arlington, VA,

Tifton Bridge
U.S. Route 82/State Route 50 over Seaboard Coastli, Tifton, Tift County, GA

TLF Creek Bridge
Spanning TLF Creek at Northeast Entrance Road, Yellowstone National Park, Park County, WY

Tower Creek Bridge
Spanning Tower Creek at Grand Loop Road, Yellowstone National Park, Park County, WY

Trail Bridge
Spanning New York Central Railroad tracks, Hyde Park, Dutchess County, NY

Trail of the Serpent
.4 miles fron East Entrance, Grand Junction, Mesa County, CO

Trail Ridge Road
Between Estes Park & Grand Lake, Estes Park, Larimer County, CO

Triad-Day Mountain Bridge
Spanning Park Loop Road at Triad-Day Mountain Pass, Seal Harbor, Hancock County, ME

Triple Arches
Spanning rift on Pollock Mountain at Going-to-the-, West Glacier, Flathead County, MT

Tuolumne Meadows Bridge
Spanning Tuolumne River on Tioga Road, Tuolumne Meadows, Tuolumne County, CA

Turkey Run Bridge
Spanning Turkey Run & access road, McLean, Fairfax County, VA

Twentieth Street Viaduct
Spans Platte River Valley between Thirty-third Ave, Denver, Denver County, CO

Twenty Mule Team Borax Wagons
Death Valley Junction, Inyo County, CA,

Twin Falls-Jerome Bridge
U.S. Highway 93 Spanning Snake River, Twin Falls, Twin Falls County, ID

U. S. 23 Middle Bridge
Spanning Levisa Fork, Pikeville, Pike County, KY

U. S. Route No. 9 Bridge
Spanning Crum Elbow Creek, Hyde Park, Dutchess County, NY

U.S. Coast Guard Cutter CLOVER
Eureka, Humboldt County, CA,

U.S. Coast Guard Cutter FIR
Puget Sound Area, Seattle, King County, WA

U.S. Coast Guard Cutter HORNBEAM
Cape May, Cape May County, NJ,

U.S. Naval Base
Pearl Harbor, Naval Housing Area Hospital Point, Junior Officers' Garage, First Street west of Hospital Way

U.S. Naval Base
Pearl Harbor, Naval Housing Area Hospital Point, Pharmacists' Garage Type, First Street near Kean Road

U.S. Naval Base
Pearl Harbor, Naval Housing Area Hospital Point, Surgeons' Garage, Intersection of Service Road & driveway behind Fir

U.S. Route 50 Overpass
Westbound, Spanning GWMP at U.S. Route 50 & Arlington Bouleva, Washington, District of Columbia

Union Elevated Railroad
Adams Street Station, Wabash Avenue, Chicago, Cook County

Union Elevated Railroad
Clark Street Station, Lake Street, Chicago, Cook County

Union Elevated Railroad
Quincy Street Station, Wells Street, Chicago, Cook County

Union Elevated Railroad
Randolph-Wabash Avenue Station, Randolph Street & Wabash Avenue, Chicago, Cook County

Union Elevated Railroad
Randolph-Wells Street Station, Randall & Wells Street, Chicago, Cook County

Union Junction Interlocking Tower
Bounded by Federal, Guilford, Royal ..., Baltimore

Upper Bridge
Keedysville Road, Sharpsburg, Washington County, MD

Van Duzen Bridge
Spanning Van Duzen River at State Highway 36, Carlotta, Humboldt County, CA

Vanderbilt Mansion Roads & Bridges
Hyde Park, Dutchess County, NY,

Vermont Bridge No. 48
Spanning Winooski River at U.S. Route 2, Waterbury, Washington County, VT

Vicksburg National Military Park Roads & Bridges
Halls Ferry Bridge, Spanning Halls Ferry Road at Confederate Avenue, Vicksburg, Warren County

Vicksburg National Military Park Roads & Bridges
Maloney Circle Bridge, Spanning Illinois Central Gulf Railroad, Vicksburg, Warren County

Vicksburg National Military Park Roads & Bridges
Melan Arch Bridges, Spanning various tributaries at Confederate Avenue, Vicksburg, Warren County

Vicksburg
Shreveport & Pacific Railroad Depot, State Route 151, Arcadia, Bienville Parish

Vieley Bridge
Spanning North Fork Vermillion River at Township R, Saunemin, Livingston County, IL

Village Bridge
Spanning Mad River at Bridge Street, Fayston, Washington County, VT

Village Loop Drive
Grand Canyon Village, Grand Canyon National Park, Coconino County, AZ

Virgin River Bridge
Spanning Virgin River at State Highway 9, Hurricane, Washington County, UT

Virgin River Warren Truss Bridge
Spanning Virgin River at Old Road southeast of Sta, Hurricane, Washington County, UT

Virginia Street Bridge
Spanning Truckee River at Virginia Street, Reno, Washoe County, NV

Waldo-Hancock Bridge
Spanning Penobscot River at U.S. Route 1, Bucksport, Hancock County, ME

War Eagle Bridge
Spanning War Eagle Creek at Benton County Road No., War Eagle, Benton County, AR

Washington Boulevard Bridge
Spanning GWMP eastbound & Boundary Channel, Washington, District of Columbia, DC

Washington Boulevard Overpass
Spanning GWMP at Washington Boulevard, Washington, District of Columbia, DC

Waterfall Bridge
Spanning Upper Hadlock Brook on West Sargent Mount, Northeast Harbor, Hancock County, ME

Watertown Arsenal
Building No. 97, Wooley Avenue, Watertown, Middlesex County

Watson Mill Bridge
Spanning South Fork Broad River, Watson Mill Road, , Comer

Wawona Road
Between South Entrance & Yosemite Valley, Yosemite Village, Mariposa County, CA

Wawona Tunnel
Wawona Road through Turtleback Dome, Yosemite Village, Mariposa County, CA

West Branch Jordan Stream Bridge
Spanning West Branch Jordan Stream on Asticou-Jord, Seal Harbor, Hancock County, ME

West End Street Railway
Cleveland Circle Car House, Chestnut Hill Avenue & Beacon Street, Brookline, Norfolk County

West Entrance Road
Between West Yellowstone & Madison Junction, WY, West Yellowstone, Gallatin County

West Rim Drive
Between Grand Canyon Village & Hermit Rest, Grand Canyon National Park, Coconino County, AZ

West Side Road
Between Nisqually Road & North Fork Puyallup River, Longmire, Pierce County, WA

West Side Tunnel
On Going-to-the-Sun Road Northeast of West Glacier, West Glacier, Flathead County, MT

West Union Bridge
Spanning Sugar Creek, CR 525W, West Union, Parke County

West Verdi Bridge
State Route 425, Spanning Truckee River, Verdi, Washoe County

Western Canal
Pawtucket & Merrimack Canals, Lowell, Middlesex County, MA

Whistler Bridge No. 3
Becket, Berkshire County, MA,

Whistler Bridge No. 4
Becket, Berkshire County, MA,

Whistler Bridge No. 5
Becket, Berkshire County, MA,

Whistler Bridge No. 6
Becket, Berkshire County, MA,

White Bridge
Spanning Crum Elbow Creek, Hyde Park, Dutchess County, NY

White River Bridge
Spanning White River at U.S. Highway 70, De Valls Bluff, Prairie County, AR

White River Bridge
Spanning White River at Yakima Park Highway, Longmire, Pierce County, WA

White's Bridge
Spanning Flat River, White's Bridge Road, Smyrna, Ionia County

Whiteson Bridge
Spanning South Yamhill River at Milepoint 42 on Pa, Whiteson, Yamhill County, OR

Wildcat Creek Bridge
Spanning Wildcat Creek on New Big Oak Flat Road, Yosemite Village, Mariposa County, CA

Wildwood Farm Bridge
Spanning Abandoned Road on Park Loop Road, Seal Harbor, Hancock County, ME

William Allen White House
Garage, 923 North Exchange Street, Emporia, Lyon County

Williamsburg Bridge
Spanning Cumberland River, Williamsburg, Whitley County, KY

Windy Run Bridge
Spanning Windy Run, Arlington, VA,

Winkley Bridge
Spanning Little Red River adjacent to State Highwa, Heber Springs, Cleburne County, AR

Wolf Creek Bridge
Spanning Missouri River, Craig, Lewis and Clark County, MT

Woodley Lane Bridge Abutment
Rock Creek & Potomac Parkway, 200 feet Northeast o, Washington, District of Columbia

Woolsey Bridge
County Road 1408, Woolsey, Washington County, AR

Woonasquatucket Bridge
Spanning Woonasquatucket River, Providence, Providence County, RI

Wright's Bridge
Spanning Sugar River, former Boston & Maine Railro, Claremont, Sullivan County

Wyman Bridge
Spanning West fork of White River at County Road 4, Fayetteville, Washington County, AR

Yakima Park Highway
Between Mather Memorial Parkway & Yakima Park, Longmire, Pierce County, WA

Yakima Valley Transportation Company Interurban Railroad
Carbarn, Third Avenue & Pine Street, Yakima, Yakima County

Yakima Valley Transportation Company Interurban Railroad
Connecting towns of Yakima, Selah & Wiley City, Yakima, Yakima County

Yakima Valley Transportation Company Interurban Railroad
Electric Locomotive No. 297, Yakima, Yakima County, WA

Yakima Valley Transportation Company Interurban Railroad
Electric Locomotive No. 298, Yakima, Yakima County, WA

Yakima Valley Transportation Company Interurban Railroad
Line Car A, Yakima, Yakima County, WA

Yakima Valley Transportation Company Interurban Railroad
Main Power Substation, Yakima, Yakima County, WA

Yakima Valley Transportation Company Interurban Railroad
Naches River Bridge, Yakima, Yakima County, WA

Yakima Valley Transportation Company Interurban Railroad
Warehouse, Yakima, Yakima County, WA

Yakima Valley Transportation Company Interurban Railroad
Wide Hollow Junction Substation, Yakima, Yakima County, WA

York Bridge
Federal Aid Secondary Route 280, Helena, Lewis and Clark County, MT

Yorktown Battlefield Tour Roads
Yorktown, York County, VA,

Yosemite Creek Bridge
Spanning Yosemite Creek on Northside Drive, Yosemite Village, Mariposa County, CA

Yosemite National Park Roads & Bridges
Yosemite Village, Mariposa County, CA,

Zion-Mount Carmel Highway
62-foot Concrete Arch Pine Creek Bridge, Spanning Clear Creek, Springdale, Washington County

Zion-Mount Carmel Highway
Co-op Creek Bridge, Spanning Co-op Creek, Springdale, Washington County

Zion-Mount Carmel Highway
East Entrance Sign, East park entrance, Springdale, Washington County

Zion-Mount Carmel Highway
Short Tunnel, Passing through Rock Spur on Zion-Mount Carmel Hig, Springdale, Washington County

Zion-Mount Carmel Highway
Springdale, Washington County, UT,

Zion-Mount Carmel Highway
Upper Pine Creek Bridge, Spanning Upper Pine Creek on Zion-Mount Carmel Hig, Springdale, Washington County