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Cushman Railroad Bridge

Cushman Railroad Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: September 1, 2018

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Key Facts

Facility Carried / Feature Intersected
Railroad (Coos Bay Rail Link) Over Siuslaw River
Location
Cushman: Lane County, Oregon: United States
Structure Type
Metal Rivet-Connected Warren Through Truss, Movable: Swing (Rim Bearing Center Pier) and Approach Spans: Metal 7 Panel Pin-Connected Camelback Through Truss,
Construction Date and Builder / Engineer
1914 By Builder/Contractor: American Bridge Company of New York, New York

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
286 Feet (87 Meters)
Structure Length
3,450 Feet (1,052 Meters)
Roadway Width
Not Available
Spans
1 Main Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

View Historic Bridge Inventory Sheet For This Bridge

View Historical Article About This Railroad Line and Its Bridges

This riveted swing span is flanked by uncommon pin-connected Camelback truss spans. The pin-connected approach spans stand out, as there are other swing bridges built at the same time on this same railroad line, but those spans have shorter, rivet-connected approach spans. The longer span length may explain why pin connections were used. Also of interest, the railroad erected this bridge using its own forces, while other bridges on the railroad line were erected by a hired contractor. Pin-connected trusses were traditionally easier to erect, so perhaps that is why the railroad erected this one using internal forces.

Above: A historical ca. 1917 photo of the bridge.

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Photo Galleries and Videos: Cushman Railroad Bridge

 
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A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: Cushman Railroad Bridge

Coordinates (Latitude, Longitude):
43.983680,-124.045250

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