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CA-4 Old River Bridge
HSRNational HSR. Local HSR.

Rough Distance: 0 Miles (0 Kilometers)

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CA-4 (California Delta Highway, Marengo Road) Over Old River in Rural: Contra Costa County, California and San Joaquin County, California, United States
Metal Rivet-Connected Pratt Through Truss, Movable: Swing (Center Pier) and Approach Spans: Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed
Length: 528 ft. Main Span: 132 ft. Roadway: 19.4 ft. Main Spans: 1
Built 1915 By: American Bridge Company of New York, New York

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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