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Abbett Avenue Bridge
Spanning Whippany River at Abbett Avenue, Morristown, Morris County, NJ

Abbeville Hydroelectric Power Plant
State Highway 284 & County Road 72, Rocky River (historical), Abbeville County, SC

Alcovy Road Bridge
Spanning Alcovy River, Covington, Newton County, GA

Alvord Lake Bridge
San Francisco, San Francisco County, CA,

American Mill Bridge
Spanning Center Creek, intersection Routes H & 71 , Carthage, Jasper County

Annisquam Bridge
Spanning Lobster Cove between Washington & River S, Gloucester, Essex County, MA

Armour
Swift, Burlington Bridge, Kansas City, Jackson County

Aspaas Dam
Tacoma, La Plata County, CO,

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

Augustine Bridge
Brandywine River, Augustine Cutoff, Wilmington, New Castle County

Bacon Bridge
Spanning Moniteau Creek, Bacon, Moniteau County, MO

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

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

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

Baxterville Bridge
Spanning Rio Grande River at Masonic Park Drive, South Fork, Rio Grande County, CO

Bayonne Bridge
Spanning Kill Van Kull between Bayonne & Staten Is, Bayonne, Hudson County, NJ

Beachside Avenue Bridge
Westport, Fairfield County, CT,

Beaver Creek Bridge
Hot Springs, Custer County, SD,

Bellefontaine Bridge
Saint Louis, St. Louis City County, MO,

Bellows Falls Arch Bridge
Spanning Connecticut River, North Walpole, Cheshire County, NH

Benson Bridge
Spanning Cutler Reservoir, Benson, Cache County, UT

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

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

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

Blue Ridge Parkway
Linn Cove Viaduct, On Grandfather Mountain, Asheville, Buncombe County

Boardman's Lenticular Bridge
Spanning Housatonic River on Boardman's Road, New Milford, Litchfield County, CT

Boldman Bridge
Spanning Levisa Fork, Pikeville, Pike County, KY

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

Boston & Maine Railroad
Northampton Lattice Truss Bridge, Northampton, Hampshire County, MA

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

Boston & Worcester Railroad
Bogastow Brook Viaduct, Spanning Bogastow Brook at Woodland Avenue, Holliston, Middlesex County

Boulevard Bridge
Spanning Wagner Creek at Old Dechard-Winchester Ro, Dechard, Franklin County, TN

Bridge Street Bridge
Spanning Grand River, Michigan & Bridge Streets, Grand Rapids, Kent County

Bridgeport Swing Span Bridge
Spanning Tennessee River, Bridgeport, Jackson County, AL

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

Broadway Bridge
Spanning Cherry Creek on Broadway at Speer Boulvea, Denver, Denver County, CO

Bronx River Parkway Reservation
The Bronx to Kensico Dam, White Plains, Westchester County, NY

Buena Vista Ford Bridge
Spanning Round Lick Creek on McClanahan Road, Carthage, Smith County, TN

Burlington Northern Railroad Bridge
Spanning Willamette River at River Mile 6.9, Portland, Multnomah County, OR

Burton Road Bridge
Spanning Little Weiser River, Cambridge, Washington County, ID

Cache Creek Bridge
Spanning Cache Creek, Dam Road, Clearlake, Lake County

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

Calipso Bridge
Spanning Yellowstone River, Terry, Prairie County, MT

Central Massachusetts Railroad
Linden Street Bridge, Spanning Linden Street, Waltham, Middlesex County

Central Railroad of New Jersey
Newark Bay Lift Bridge, Spanning Newark Bay, Newark, Essex County

Chesapeake & Ohio Canal
Lift Lock No. 66, State Route 51, Paw Paw, Allegany County

Chesapeake & Ohio Canal
Lock No. 63 1/3, State Route 51, Paw Paw, Allegany County

Chesapeake & Ohio Canal
Lock No. 64 2/3, State Route 51, Paw Paw, Allegany County

Choate Bridge
Spanning Ipswich River at South Main Street, Ipswich, Essex County, MA

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

Colorado Historic Bridges Survey
Denver, Denver County, CO,

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

Common Drainage Culvert
Beneath Going-to-the-Sun Road, West Glacier, Flathead County, MT

Congress Street Bascule Bridge
Spanning Fort Point Channel at Congress Street, Boston, Suffolk County, MA

Connecticut Avenue Bridge
Spans Rock Creek & Potomac Parkway at Connecticut , Washington, District of Columbia, DC

Conrail Bridge
Spanning Hackensack River, Kearny, Hudson County, NJ

Coolidge Dam
Gila River, Peridot, Pinal County, AZ

Coram Bridge
Spanning Flathead River, Coram, Flathead County, MT

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

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

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

Crater Rim Drive
Volcano, Hawaii County, HI,

Curry Creek Bridge
Spanning Curry Creek at State Route 15, Jefferson, Jackson County, GA

Deansbury Bridge
Spanning South Platte River, Waterton, Lake County, CO

Dearborn River High Bridge
Spanning Dearborn River, Augusta, Lewis and Clark County, MT

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

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

Delaware & Raritan Canal
Lock, On Delaware Canal, North of Hamilton, East of Geor

Delaware & Raritan Canal
Locktender's House, North of Hamilton, East of George & East of Pumpin, New Brunswick

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

Delaware & Raritan Canal
Six Mile Run Culvert, .2 mile South of Blackwells Mills Road, East Millstone, Somerset County

Delaware & Raritan Canal
Ten Mile Run Culvert, 1.5 miles South of Blackwells Road, East Millstone, Somerset County

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

Delta Bridge
Spanning Gunnison River on U.S. 50, Delta, Delta County, CO

Dentville Road Bridge
Spanning Hiawassee River on Dentville Road, Benton, Polk County, TN

Denver & Rio Grande Western Railroad
Provo River Bridge, Spanning Provo River, Orem, Orem

Double Intersection Warren Truss Bridge
Spanning Blackledge River, Colchester, New London County, CT

Dowhait's Bridge
Bartow County Road 343, spanning Etowah River, Cartersville, Bartow County

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

East Side Railroad Tunnel
Benefit Street to Seekonk River, Providence, Providence County, RI

Edgefield County Bridge No. 3
Road S-63 spanning Log Creek, Pleasant Lane, Edgefield County, SC

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

Elson Bridge
Spanning Purgatoire River at County Road 36, El Moro, Las Animas County, CO

Erie & Lackawanna Railroad Bridge
Spanning Hackensack River, Kearny, Hudson County, NJ

Erie Railway
Bergen Hill Open Cut, Palisade Avenue to Tonnele Avenue, Jersey City, Hudson County

Erie Railway
New York Division, Bridge 8.04 (c.1875), Spanning Passaic River, Newark

Erie Railway
New York Division, Bridge 8.04 (c.1900), Spanning Passaic River, Newark

Exchange Bridge
Spanning Providence River, Providence, Providence County, RI

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

Fannin County Road 222 Bridge
Spanning Toccoa River, Dial, Fannin County, GA

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

Finderne Avenue Bridge
County Route 533, spanning Railroad tracks, Bridgewater Twp, Somerset County

Fink Through-Truss Bridge
Hunterdon County Government Complex (moved to), Flemington, Hunterdon County, NJ

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

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

Fort Benton Bridge
Spanning Missouri River, Fort Benton, Chouteau County, MT

Fort Keogh Bridge
Spanning Yellowstone River, Miles City, Custer County, MT

Four Mile Bridge
Spanning Arkansas River, Buena Vista, Chaffee County, CO

Four Mile Bridge
Spanning Elk River on County Road 42, Steamboat Springs, Routt County, CO

Fourteenth Street Viaduct
Fourteenth Street at Wazee Street, Denver, Denver County, CO

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

Fromberg Bridge
Spanning Clark's Fork of Yellowstone River, Fromberg, Carbon County, MT

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

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

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

Gibson Bridge
Spanning Watauga River on Herb Hodge Road, Watauga Flats, Washington County, TN

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

Gordon County Road 220 Bridge
Spanning Pine Log Creek on County Road 220, Fairmount, Gordon County, GA

Gordon County Road No. 24 Bridge
Spanning New Town Creek at County Road 24, New Town, Gordon County, GA

Grasmere Avenue Bridge
Spanning Railroad at Grasmere Avenue, Fairfield, Fairfield County, CT

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

Grove Street Bridge
Grove Street, spanning Railroad tracks, Montclair, Essex County

Haralson County Bridge
County Road 189, spanning Tallapoosa River, Tallapoosa, Haralson County

Hart County Bridge
State Route 181, spanning Savannah River, Hartwell, Hart County

Headen Bridge
County Road 87, spanning Hiawassee River, Hiawassee, Towns County

Hemlock Bridge
Spanning Black River on Warner Drive, Warner Twp, Clark County, WI

Henefer Bridge
Spanning Weber River at Center Street, Henefer, Summit County, UT

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

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

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

Holyoke Bridge
Spanning Connecticut River, between Holyoke & Sout, Holyoke, Hampden County

Hortense Bridge
Spanning Chalk Creek on State Highway 162, Nathrop (historical), Chaffee County, CO

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

Houston Astrodome
8400 Kirby Drive, Houston, Harris County, TX

Indian Ford Bridge
London Mills, Fulton County, IL,

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

Jackson Street Bridge
Spanning Passaic River, Newark, Essex County, NJ

Jefferson County Road 255 Bridge
Spanning Rocky Comfort Creek, Louisville, Jefferson County, GA

John T. Cunningham Memorial Bridge
Spanning Cumberland River, on Old State Route 13, Clarksville, Montgomery County

Jordan Covered Bridge
Spanning Thomas Creek, County Road 829, Scio, Linn County

Judith River Bridge
Spanning Judith River, Moore, Fergus County, MT

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

Keystone Bridge
Spanning South Platte River, Waterton, Jefferson County, CO

Kinsey Bridge
Spanning Yellowstone River, Miles City, Custer County, MT

Lake Street Bridge
Spanning Ruddiman Creek at Lake Shore Drive, Muskegon, Muskegon County, MI

Lakeview Pumping Station
Clarendon & Montrose Avenues, Chicago, Cook County, IL

Lenox Bridge
Spanning Obion River, Rural Road S8025, Lenox, Dyer County

Lime Kiln Road Bridge
Spanning Shoal Creek, Neosho, Newton County, MO

Linden Avenue Bridge
Spanning Purgatoire River on Linden Avenue, Trinidad, Las Animas County, CO

Llagas Creek Bridge
Spanning Llagas Creek, Gilman Road at Holsclaw Roa, Gilroy, Santa Clara County

Lockport Historic District
Chicago Sanitary & Ship Canal, Butterfly Dam, 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

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

Lover's Leap Lenticular Bridge
Spanning Housatonic River on Pumpkin Hill Road, New Milford, Litchfield County, CT

Lutens Bridge
County Road 228, Spanning Pine Log Creek, Cash, Gordon County

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

Manchester Street Bridge
Spanning Baraboo River on Manchester Street, Baraboo, Sauk County, WI

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

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

Massengill Bridge
Coal Creek Road, spanning Clinch River, Norris, Anderson County

Maurice River Pratt Through-Truss Swing Bridge
Spanning Maurice River, Mauricetown, Cumberland County, NJ

McPherson Bridge
Spanning Candies Creek at County Road A165, Eureka, Bradley County, TN

Memphis Bridge
Spanning Mississippi River, Memphis, Shelby County, TN

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

Michigan Lake Superior Power Company
Portage Street, Sault Ste. Marie, Chippewa County, MI

Middle Bridge
Spanning Osage River, Warsaw, Benton County, MO

Milk River Bridge at Coberg
Spanning Milk River, Coburg, Blaine County, MT

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

Moody Street Feeder
Moody Street, Lowell, Middlesex County, MA

Moore Road Bridge
Spannning North Fork Creek at Moore Road, Unionville, Bedford County, TN

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

Morris Canal
Phillipsburg, Warren County, NJ,

Mountain Dell Dam
Parley's Canyon, Northwest side of I-80, West of S, Salt Lake City

Murtaugh Bridge
Murtaugh, Jerome County, ID,

Natchez Trace Parkway
Located between Natchez, MS & Nashville, TN, Tupelo

Nepesta Bridge
Spanning Arkansas River on County Road 613, Boone, Pueblo County, CO

Neshanic Station Lenticular Truss Bridge
State Route 567, spanning South Branch of Raritan , Neshanic Station, Somerset County

New Castle & Frenchtown Railroad
New Castle, New Castle County, DE,

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

New York
New Haven & Hartford Railroad, Fort Point Channel Rolling Lift Bridge, Spanning Fort Point Channel, Boston

New York
New Haven & Hartford Railroad, Groton Bridge, Spanning Thames River between New London & Groton, New London

New York
New Haven & Hartford Railroad, Mystic River Bridge, Spanning Mystic River between Groton & Stonington, Groton

New York
New Haven & Hartford Railroad, Niantic Bridge, Spanning Niantic River between East Lyme & Waterfo, East Lyme

New York
New Haven & Hartford Railroad, Shaw's Cove Bridge, Spanning Shaw's Cove, New London

Newsom's Mill Bridge
Spanning Harpeth River, Newsom's Station Road, Nashville, Davidson County

Niantic River Swing Bridge
Spanning Niantic River between East Lyme & Waterfo, East Lyme, New London County, CT

Nineteenth Street Bridge
Spanning South Platte River at Nineteenth Street, Denver, Denver County, CO

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

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

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

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

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

Northeast Railroad Corridor
Amtrak Route between New York/Connecticut & Connec, New Haven, New Haven County, CT

Northeast Railroad Corridor
Amtrak Route between Pennsylvania/New Jersey & New, Newark, Essex County, NJ

Northeast Railroad Corridor
Amtrak Route between RI/MA State Line & South Stat, Boston, Suffolk County, MA

Northern Avenue Swing Bridge
Spanning Fort Point Channel at boundary between Bo, Boston, Suffolk County, MA

Old Croton Aqueduct
Entrance Entablature, New Croton Reservoir, Yorktown Heights, Westchester County

Old Croton Aqueduct
Indian Creek Culvert, Reservoir & Quaker Bridge Roads, Crotonville, Ossining

Old Croton Aqueduct
Jewels Brook Culvert, Spanning Station Road, Irvington, Westchester County

Old Croton Aqueduct
Mill River Culvert, U.S. Route 9 at Sleepy Hollow Cemetery, Tarrytown, Westchester County

Old Croton Aqueduct
Mill River Waste Weir, U.S. Route 9 at Sleepy Hollow Cemetery, Tarrytown, Westchester County

Old Croton Aqueduct
Northern Waste Weir, Snowden Avenue & Van Wick Street, Ossining, Westchester County

Old Croton Aqueduct
Quarry Railroad Bridge, Aqueduct Lane at Williams Street, Hastings-on-Hudson, Westchester County

Old Croton Aqueduct
Saw Mill River Culvert, Spanning Nepperhan Avenue, Yonkers, Westchester County

Old Croton Aqueduct
Sing Sing Kill Bridge, Spanning Aqueduct Street & Broadway, Ossining, Westchester County

Old Croton Aqueduct
Ventilator Number 9, Spring & Everett Streets, Ossining, Westchester County

Old Steel Bridge
Spanning Flathead River on Steel Bridge Road, Kalispell, Flathead County, MT

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

Osage River Bridge
Spanning Osage River on State Highway M-13, Osceola, St. Clair County, MO

Osceola Bridge
Spanning Osage River, Osceola, St. Clair County, MO

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

Pacheco Creek Bridge
San Felipe Road , spanning Pacheco Creek, San Felipe, Santa Clara County

Paradise Road Bridge
Spanning Little Platte River, Paradise, Clay County, MO

Paragon Bridge
Spanning Yellowstone River, Miles City, Custer County, MT

Patch Street Bridge
Spanning Kohanza Brook on Patch Street, Danbury, Fairfield County, CT

Path Transit System Bridge
Spanning Hackensack River, Kearny, Hudson County, NJ

Pearl Street Bridge
Spanning Grand River at Pearl Street, Grand Rapids, Kent County, MI

Pearle Cotton Mill & Dam
Elbert County Road 245, Elberton, Elbert County, GA

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

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

Petrieville Road Bridge
Spanning Grand River, Eaton Township, Eaton County, MI

Pigtail Bridge
Hot Springs, Custer County, SD,

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

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

Ponakin Road Bridge
Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA

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

Post Office Covered Walkway
Providence, Providence County, RI,

Power Flume No. 1
Tacoma, La Plata County, CO,

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

Pulaski Skyway
Spanning Passaic & Hackensack Rivers, Jersey City, Hudson County, NJ

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

Rehoboth Avenue Bridge
State Route 1A (Rehoboth Avenue) over Lewes & Reho, Rehoboth Beach, Sussex County, DE

Riddle Bridge
Spanning Gasconada River, Dixon, Pulaski County, MO

Riverside Bridge
Weaver Road spanning South Fork Holston River, Bluff City, Sullivan County, TN

Roberts Bluff Bridge
.5 mile East of Blackwater, Blackwater, Cooper County, MO

Roscoe Bridge
Spanning Osage River on State Highway E, Roscoe, St. Clair County, MO

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

Roundup Bridge
Spanning Musselshell River, Roundup, Musselshell County, MT

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

Sacramento River Bridge
Spanning Sacramento River South of Locke, Isleton, Sacramento County, CA

Saddlehorn Area
5 miles inside West entrance, Fruita, Mesa County, CO

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

Sample's Crossing Bridge
Spanning Judith River, Danvers, Fergus County, MT

San Antonio Creek Bridge
State Highway 1, Lompoc, Santa Barbara County, CA

San Francisco Oakland Bay Bridge
Spanning San Francisco Bay, San Francisco, San Francisco County, CA

San Roque Canyon Bridge
State Highway 192, Santa Barbara, Santa Barbara County, CA

Sanders Ferry Bridge
State Highway 184, Spanning Savannah River, Savannah River, Anderson County

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

Scotts Bluff Summit Road
Gering, Scotts Bluff County, NE,

Seaboard Coast Line Railroad Bridge
Spanning Savannah River, Savannah River, Abbeville County, SC

Second Avenue Bridge
Spanning Oostanaula on State Route 101 (Second Ave, Rome, Floyd County, GA

Seddon Island Scherzer Rolling Lift Bridge
Spanning Garrison Channel from Tampa to Sedden Isl, Tampa, Hillsborough County, FL

Seven Mile Bridge
Linking Florida Keys, Knight Key, Monroe County, FL

Siuslaw River Bridge
Spanning Siuslaw River, Richardson Road, County Ro, Walton

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

Smith Bridge
Spanning Nottely River on Dooley Road (County Road, Blairsville, Union County, GA

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

Snowden Bridge
Spanning Missouri River, Nohly, Richland County, MT

Sock Road Bridge
Spanning Beaver Dam River, Lowell, Dodge County, WI

South Broad Street Bridge
Spanning Elizabeth River, Elizabeth, Union County, NJ

South Fork Trinity River Bridge
State Highway 299 spanning South Fork Trinity Rive, Salyer, Trinity County, CA

Southern Pacific Railroad
Ogden-Lucin Cutoff Trestle, Spanning Great Salt Lake, Brigham City, Box Elder County

Springdale Bridge
Federal Aid Secondary Route 563, Springdale, Park County, MT

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

St. Mary River Bridge & Siphon
Spanning St. Mary River, Babb, Glacier County, MT

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

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

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

Steel Pier
Boardwalk at Virginia Avenue, Atlantic City, Atlantic County, NJ

Steel Truss Bridge
Spanning Osage River on State Highway 7, Fairfield, Benton County, MO

Sudbury River Aqueduct
Echo Bridge, Spanning Charles River at Upper Newton Falls, Newton, Middlesex County

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

Summer Street Retractile Bridge
Spanning Fort Point Channel at Summer Street, Boston, Suffolk County, MA

Sunset Bridge
Spanning Pomme de Terre River, Bolivar, Polk County, MO

Surprise School Bridge
Spanning South Grand River, Gaines, Henry County, MO

Swann Bridge
Spanning Locust Fork of Black Warrior River, Swann, Cleveland, Blount County

Swink Bridge
Spanning Arkansas River (County Road 24.5), Swink, Otero County, CO

Tenth Street Bridge
Spanning Missouri River, Great Falls, Cascade County, MT

Terminal Dam
Tacoma, La Plata County, CO,

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

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

Tobin Highway Bridge
Plumas, Plumas County, CA,

Toelles Road Bridge
Spanning Quinnipiac River, Wallingford, New Haven County, CT

Tongue River Bridge
Spanning Tongue River, Miles City, Custer County, MT

Turtleville Iron Bridge
Spanning Turtle Creek, on Lathers Road, Beloit, Rock County

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

Twenty-first Street Bridge
Spanning Railroad tracks at Twenty-first Street, Saint Louis, St. Louis City County, MO

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

Uintah Railway
Whiskey Creek Trestle, Baxter Pass Road & Whiskey Creek Road, Rangely, Rio Blanco County

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
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 Elevated Railroad
Union Loop, Wells, Van Buren, Lake Streets & Wabash Avenue

Union Pacific Railroad
Gateway Bridge, Spanning Weber Canyon, Ogden, Weber County

Union Station Viaduct
Spanning Gaspee, Francis, Promenade & Canal Street, Providence

Vicksburg National Military Park Roads & Bridges
Melan Arch Bridges, Spanning various tributaries at Confederate Avenue, Vicksburg, Warren County

Victor Bridge
Spanning Bitterroot River, Victor, Ravalli County, MT

Vieley Bridge
Spanning North Fork Vermillion River at Township R, Saunemin, Livingston County, IL

Waddell "A" Truss Bridge
Spanning Lin Branch Creek, Trimble, Clinton County, MO

Walnut Street Bridge
Spanning Tennessee River at Market Street, Chattanooga, Hamilton County, TN

Warsaw Bridge
Spanning South Grand River, Warsaw, Benton County, MO

Washington Avenue Bridge
Spanning Missouri Pacific Railroad tracks, Main & , Sedalia, Pettis County

Washington Avenue Lenticular Truss Bridge
Spanning Mad River, Waterbury, New Haven County, CT

Weaver Road Bridge
Spanning Paint Rock Creek on Weaver Road (County R, Kingston, Roane County, TN

West Knight Street Bridge
Spanning Spring Brook (west of Knight Street), Eaton Rapids, Eaton County, MI

West Main Street Bridge
Spanning South branch of Raritan River, Clinton, Hunterdon County, NJ

White Bridge
Spanning Crum Elbow Creek, Hyde Park, Dutchess County, NY

William's Bend Bridge
Spanning Pomme de Terre River, Hermitage, Hickory County, MO

Williamsburg Bridge
Spanning Cumberland River, Williamsburg, Whitley County, KY

Wolf Creek Bridge
Spanning Missouri River, Craig, Lewis and Clark County, MT

Woody Allen Road Bridge
Spanning Oothalooga Creek at County Road 316, Adairsville, Bartow County, GA

Woonasquatucket Bridge
Spanning Woonasquatucket River, Providence, Providence County, RI

York Bridge
Federal Aid Secondary Route 280, Helena, Lewis and Clark County, MT

Zion-Mount Carmel Highway
Pine Creek Bridge, Spanning Pine Creek on Zion-Mount Carmel Highway, Springdale, Washington County

Zion-Mount Carmel Highway
Tunnel, Two miles east of Zion Canyon Scenic Drive, Springdale, Washington County

Zion-Mount Carmel Highway
Virgin River Bridge, Spanning North Fork of Virgin River on Zion-Mount , Springdale, Washington County


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