Historic Photographs

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Item Title


Location
Spanning Dearborn River, Augusta vicinity, MT

Find maps of Augusta, MT


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER MT-23
Building/structure dates: 1897 initial construction
Significance: The King Bridge Company of Cleveland, Ohio constructed this four-span, half-deck Pratt truss over the Dearborn River in 1897. The half-deck configuration of the bridge is unusual in that the floor beams are attached to the vertical members near their mid-points rather than at their top or bottom ends as in the deck and through configurations. The half-deck was a rarely built configuration and this bridge is one of the few remaining examples in the U.S....

Subjects
Civil Engineering
Bridge Construction
Steel Truss Bridges


Related Names
King Bridge Company
Lowe, Jet, Photographer
Quivik, Fredric L., Historian


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. VIEW LOOKING NORTH, GENERAL ELEVATION FROM ABOVE
2. VIEW LOOKING NORTHEAST, GENERAL ELEVATION
3. VIEW LOOKING SOUTH, GENERAL ELEVATION
4. VIEW LOOKING SOUTHEAST, 3/4 ELEVATION
5. VIEW LOOKING EAST, 3/4 ELEVATION
6. VIEW LOOKING SOUTH, ELEVATION SHOWING UNDERSIDE OF DECK
7. VIEW LOOKING NORTHWEST, 3/4 ELEVATION SHOWING APPROACH GIRDERS
8. VIEW LOOKING SOUTHEAST, 'BARREL SHOT'
9. VIEW LOOKING SOUTHEAST, SHOWING LOWER CHORD AND NORTH PIER
10. TRUSS SEAT AT SOUTH PIER
11. DETAIL VIEW OF PIN CONNECTION AND VERTICAL COMPRESSION MEMBER
VIEW LOOKING SOUTH, GENERAL ELEVATION
VIEW LOOKING EAST, 3/4 ELEVATION


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