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Historic Bridges: Thomson Bridge Company of San Francisco, California

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.


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Total Bridges Found: 1

4th Street Bridge
Peter R. Maloney Bridge
HSRNational HSR. Local HSR.
Click to visit page.
4th Street Over China Basin in San Francisco: San Francisco County, California, United States
Metal Rivet-Connected Warren Pony Truss, Movable: Single Leaf Bascule (Strauss Trunnion) and Approach Spans: Concrete T-Beam, Fixed
Length: 205 ft. Main Span: 94 ft. Roadway: 40 ft. Main Spans: 1
Built 1917 By: Thomson Bridge Company of San Francisco, California and Strauss Bascule Bridge Company (Strauss Engineering Company) of Chicago, Illinois
This bridge is an early and rare example of a Strauss vertical overhead counterweight type bascule.

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