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Havre de Grace

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Susquehanna River Bridge, Spanning Susquehanna River, Havre de Grace, Harford County, MD



B&W Photos

HB599418
General View Of The Bridge From The Southwest

HB599419
Aerial 'barrel Shot' Of The Bridge From The West

HB599420
General Aerial View From The Northwest

HB599421
View Of The Eastern Portion Of The Bridge Looking Northeast From Garrett Island, Aerial View

HB599422
Aerial View Of The Eastern Three Spans From The Northwest, Taken From Above Garrett Island

HB599423
Aerial View Of The Eastern Three Spans Of The Bridge From The Northwest

HB599424
Aerial View Of The Eastern Spans Of The Susquehanna River Bridge

HB599425
Aerial View Of The Pennsylvania Through Truss And Pennsylvania Deck Truss, Looking Southwest

HB599426
Aerial View Of The Pennsylvania Through Truss At The East End Of The Bridge, Looking South

HB599427
Aerial View Of The Eastern Span Of The Bridge

HB599428
General Aerial View Of The Spans Carrying The Bridge Across Garrett Island

HB599429
General View Of The Western Portion Of The Bridge

HB599430
Aerial View Looking Eastwards At The Western Spans Of The Bridge

HB599431
Aerial View Of The Pennsylvania Through Truss Span On The Western Portion Of The Susquehanna River Bridge, Looking Southeast

HB599432
Detail Of The Pennsylvania Through Truss In The Western Portion Of The Bridge


Data Pages


Photo Caption Pages


Item Title


Location
Spanning Susquehanna River, Havre de Grace, MD

Find maps of Havre de Grace, MD


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER MD-46
Building/structure dates: 1908 initial construction
Significance: The Susquehanna River Bridge was constructed in 1908 to replace an older, timber Howe truss structure. The first bridge built by the B&O Railroad on this site consisted of twelve 250 foot spans, with a shorter deck truss in the center of the bridge. This structure has been said to have marked the zenith of Howe truss railway bridge construction. The existing bridge consists of a variety of Pennsylvania and Pratt trusses. The Pennsylvania trusses, one over each channel, are through trusses, and provide clearance for river traffic. The Pratt trusses are deck trusses. Three trusses carry the bridge over the eastern channel of the Susquehanna, twenty plat girders serve to cross Garrett Island, and a series (east to west) of six Pratt trusses, a Pennsylvania truss, and two more Pratt trusses carry the bridge to its western abutment. In addition, there are two approach spans, one at either end of the bridge.

Subjects
Railroad Bridges
Truss Bridges


Related Names
American Bridge Company


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. GENERAL VIEW OF THE BRIDGE FROM THE SOUTHWEST
2. AERIAL 'BARREL SHOT' OF THE BRIDGE FROM THE WEST
3. GENERAL AERIAL VIEW FROM THE NORTHWEST
4. VIEW OF THE EASTERN PORTION OF THE BRIDGE LOOKING NORTHEAST FROM GARRETT ISLAND, AERIAL VIEW
5. AERIAL VIEW OF THE EASTERN THREE SPANS FROM THE NORTHWEST, TAKEN FROM ABOVE GARRETT ISLAND
6. AERIAL VIEW OF THE EASTERN THREE SPANS OF THE BRIDGE FROM THE NORTHWEST. FROM LEFT TO RIGHT THE SPANS ARE; A PENNSYLVANIA THROUGH TRUSS, A PENNSYLVANIA DECK TRUSS, AND A PRATT DECK TRUSS
7. AERIAL VIEW OF THE EASTERN SPANS OF THE SUSQUEHANNA RIVER BRIDGE. THE SPAN ON THE LEFT OF THE PHOTO IS A PENNSYLVANIA THROUGH TRUSS, THE ONE IN THE RIGHT A PENNSYLVANIA DECK TRUSS. THE VIEW IS FROM THE NORTH.
8. AERIAL VIEW OF THE PENNSYLVANIA THROUGH TRUSS AND PENNSYLVANIA DECK TRUSS, LOOKING SOUTHWEST
9. AERIAL VIEW OF THE PENNSYLVANIA THROUGH TRUSS AT THE EAST END OF THE BRIDGE, LOOKING SOUTH. THE APPROACH SPAN CROSSING THE ROAD ON THE LEFT IS A PRATT DECK TRUSS
10. AERIAL VIEW OF THE EASTERN SPAN OF THE BRIDGE. THE HIGHWAY BRIDGE IN THE MIDDLE DISTANCE IS A WICHERT TRUSS, CONSTRUCTED IN 1939-1940 BY THE J.E. GREINER COMPANY. A PENNSYLVANIA RAILROAD BRIDGE IS VISIBLE IN THE FAR DISTANCE.
11. GENERAL AERIAL VIEW OF THE SPANS CARRYING THE BRIDGE ACROSS GARRETT ISLAND. THE 1939-1940 WICHERT TRUSS HIGHWAY BRIDGE IS VISIBLE IN THE BACKGROUND. THE VIEW IS TO THE SOUTH
12. GENERAL VIEW OF THE WESTERN PORTION OF THE BRIDGE. IT CONSISTS (LEFT TO RIGHT) OF SIX PRATT DECK TRUSSES, A PENNSYLVANIA THROUGH TRUSS, AND TWO MORE PRATT DECK TRUSSES. THE AERIAL VIEW IS FROM THE SOUTHWEST
13. AERIAL VIEW LOOKING EASTWARDS AT THE WESTERN SPANS OF THE BRIDGE. THE PIERS ARE REINFORCED ON THE UPSTREAM SIDE TO PROTECT THE STRUCTURE FROM DAMAGE FROM ICEFLOES, DEBRIS, ETC.
14. AERIAL VIEW OF THE PENNSYLVANIA THROUGH TRUSS SPAN ON THE WESTERN PORTION OF THE SUSQUEHANNA RIVER BRIDGE, LOOKING SOUTHEAST
15. DETAIL OF THE PENNSYLVANIA THROUGH TRUSS IN THE WESTERN PORTION OF THE BRIDGE. THROUGH TRUSSES WERE INCORPORATED INTO THE DESIGN TO ALLOW CLEARANCE FOR NAVIGATION


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