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Savage

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Baltimore & Ohio Railroad, Bollman Truss Bridge, Spanning Little Patuxent River, Savage, Howard County, MD



See 29 maps of this location


B&W Photos

HB590019
Aerial View Of Bridge From East

HB590020
East Side Of Bridge

HB590021
Barrel Shot Of Bridge From South

HB590022
Barrel Shot Of Bridge From North

HB590023
Panel Point In The Bottom Chord, Showing Connection With Diagonal Tension Members

HB590024
General View Of Truss On East Side Of Bridge, With Savage Mill Tower In Background

HB590025
Paired End Posts At Mid Span Showing Connection Of Diagonal Tension Members With Anchor Casting

HB590026
Paired End Posts And Anchor Castings At Center Of Bridge

HB590027
Panel Point Showing Compensating Link Between Diagonal Tension Members And Floor Beam

HB590028
Looking Southeast Showing Truss From Inside The Bridge

HB590029
From North End Of Bridge--level Copy Photograph Of Photogrammetric Plate Lc-haer-gs05-1-501l.

HB590030
From North End Of Bridge--inclined And Convergent Copy Photograph Of Photogrammetric Plate Lc-haer-gs05-1-502l.13


Data Pages


Drawings


Photo Caption Pages


Item Title


Location
Spanning Little Patuxent River, Savage, MD

Find maps of Savage, MD


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER MD-1
Unprocessed field note material exists for this structure (FN-25).
National Register Number: 72000582
Significance: The Bollman Truss Bridge at Savage is the last of its type in the United States. The Bollman Truss is usually credited with being the first type of iron truss bridge used in large numbers on an American railroad.

Subjects
Iron Truss Bridges


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. AERIAL VIEW OF BRIDGE FROM EAST
2. EAST SIDE OF BRIDGE
3. BARREL SHOT OF BRIDGE FROM SOUTH
4. BARREL SHOT OF BRIDGE FROM NORTH
5. PANEL POINT IN THE BOTTOM CHORD, SHOWING CONNECTION WITH DIAGONAL TENSION MEMBERS
6. GENERAL VIEW OF TRUSS ON EAST SIDE OF BRIDGE, WITH SAVAGE MILL TOWER IN BACKGROUND
7. PAIRED END POSTS AT MID SPAN SHOWING CONNECTION OF DIAGONAL TENSION MEMBERS WITH ANCHOR CASTING
8. PAIRED END POSTS AND ANCHOR CASTINGS AT CENTER OF BRIDGE
9. PANEL POINT SHOWING COMPENSATING LINK BETWEEN DIAGONAL TENSION MEMBERS AND FLOOR BEAM
10. LOOKING SOUTHEAST SHOWING TRUSS FROM INSIDE THE BRIDGE
11. FROM NORTH END OF BRIDGE--LEVEL Copy photograph of photogrammetric plate LC-HAER-GS05-1-501L.
12. FROM NORTH END OF BRIDGE--INCLINED AND CONVERGENT Copy photograph of photogrammetric plate LC-HAER-GS05-1-502L.13. OBLIQUE VIEW LOOKING NORTHEAST.
14. OBLIQUE VIEW LOOKING NORTHWEST. NOTE: HISTORIC SAVAGE MILL IN BACKGROUND.
15. VIEW LOOKING NORTH AT END POSTS WITH DIAGONAL TENSION MEMBERS. NOTE: MODERN VEHICULAR BRIDGE TO RIGHT.
16. PANEL POINT IN THE BOTTOM CHORD, SHOWING CONNECTION WITH DIAGONAL TENSION MEMBERS.
17. PAIRED END POSTS AT MID SPAN SHOWING CONNECTION OF DIAGONAL TENSION MEMBERS WITH ANCHOR CASTING.


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