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CA-4 Old River Bridge

   


CA-4 Old River Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: April 6, 2013
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Key Facts

Facility Carried / Feature Intersected
CA-4 (California Delta Highway, Marengo Road) Over Old River
Location
Rural: Contra Costa County, California and San Joaquin County, California
Structure Type
Metal Rivet-Connected Pratt Through Truss, Movable: Swing (Center Pier) and Approach Spans: Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed
Construction Date and Builder / Engineer
1915 By Builder/Contractor: American Bridge Company of New York, New York

Technical Facts

Rehabilitation Date
1978
Main Span Length
132 Feet (40.2 Meters)
Structure Length
528 Feet (160.9 Meters)
Roadway Width
19.4 Feet (5.9 Meters)
Spans
1 Main Span(s) and 2 Approach Span(s)
NBI Number
29 0045

Historic Significance Rating (HSR)

Bridge Documentation

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

Including this bridge, CA-4 HistoricBridges.org documented three historic through truss swing bridges from this point to the city of Stockton. This makes CA-4 a unique drive where three historic swing bridges are on a major highway and can be crossed without turning onto a different road. This bridge is traditionally composed and it retains good historic integrity. The bridge rests on caissons that feature a riveted steel casing. Tibbitts-Pacific Company of San Francisco, California was the on-site contractor for the bridge, with the builder of the truss being the American Bridge Company. The design was undertaken by F. E. Quail, San Joaquin County Surveyor. Along with the CA-4 Middle River Bridge this is one of the two oldest unaltered highway swing bridges in California.

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Photos and Videos: CA-4 Old River Bridge

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Bridge Photo-Documentation
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A collection of overview and detail photos. For the best visual immersion and full detail, or for use as a desktop background, this gallery presents the photos for this bridge in the original digital camera resolution.
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A collection of overview and detail photos. View the photos for this bridge in a reduced size which is useful for mobile/smartphone users, modem (dial-up) users, or those who do not wish to wait for the longer download times of the full-size photos. Alternatively, view this photo gallery using a popup slideshow viewer (great for mobile users) by clicking the link below.
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CarCam: Southbound Crossing
Full Motion Video
Note: The downloadable high quality version of this video (available on the video page) is well worth the download since it offers excellent 1080 HD detail and is vastly more impressive than the compressed streaming video. Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.
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CarCam: Northbound Crossing
Full Motion Video
Note: The downloadable high quality version of this video (available on the video page) is well worth the download since it offers excellent 1080 HD detail and is vastly more impressive than the compressed streaming video. Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.
View Video
CarCam: Southbound Crossing
Full Motion Video
Note: The downloadable high quality version of this video (available on the video page) is well worth the download since it offers excellent 1080 HD detail and is vastly more impressive than the compressed streaming video. Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.

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