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Benicia - Martinez Railroad Bridge

Southern Pacific Railroad Bridge

Benicia - Martinez Railroad Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: April 7, 2013
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Key Facts

Facility Carried / Feature Intersected
Railroad (Union Pacific) Over Carquinez Strait (Suisun Bay)
Martinez and Benicia: Contra Costa County, California and Solano County, California: United States
Structure Type
Metal 8 Panel Rivet-Connected Polygonal Warren Through Truss, Movable: Vertical Lift (Span Drive) and Approach Spans: Metal 12 Panel Multiple-Type-Connected Polygonal Warren Through Truss, Fixed
Construction Date and Builder / Engineer
1930 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
Not Available
Structure Length
5620 Feet (1712.98 Meters)
Roadway Width
Not Available
1 Main Span(s) and 15 Approach Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

This bridge is a very long bridge with a variety of span types.

From south to north, the bridge is configured as follows: three deck plate girder spans supposed by tower style steel bents, one Warren deck truss span supported by concrete piers, one polygonal Warren through truss span supported by concrete piers, one vertical lift span supported by concrete piers, six polygonal Warren through truss span supported by concrete piers, one Warren deck truss span supported by concrete piers, and three deck plate girder spans supposed by tower style steel bents. Abutments are concrete.

The vertical lift span has a span drive system and a relatively short lift span that only lifts about as high as the height of the lift truss itself. The towers of the lift span do not stand independently and are instead integrated into the adjacent through truss spans.


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