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Woodward Island Railroad Bridge

BNSF - Bridge No. A-1137

Woodward Island Railroad Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: April 5, 2013

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Key Facts

Facility Carried / Feature Intersected
Railroad (BNSF and Amtrak) Over Old River
Location
Rural: Contra Costa County, California and San Joaquin County, California: United States
Construction Date and Builder / Engineer
1928 By Builder/Contractor: American Bridge Company of New York, New York

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
93 Feet (28.35 Meters)
Structure Length
177 Feet (53.95 Meters)
Roadway Width
Not Available
Spans
1 Main Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

This bridge is an example of an unusual patented type of bascule bridge. Reportedly, only eight examples of this bascule type were ever built in the country. Today, only six of those eight bridges remain. Three of those six are truss bascule bridges in Michigan, while the remaining three are plate girder bascule bridges in this region of California. There used to be a truss bascule example in Texas and a plate girder bascule example in Wisconsin, but both have been demolished. Each surviving Abt bascule bridge is highly significant as a rare example of an unusual patented bascule type. For a full history of Abt bascule bridges, please visit the Port Huron Railroad Bridge page.

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