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Blackford Road Bridge

   


Blackford Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: April 6, 2013
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Key Facts

Facility Carried / Feature Intersected
Blackford Road Over Bear River Camp Far West Wier
Location
Rural: Yuba County, California: United States
Construction Date and Builder / Engineer
1916 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
1966
Main Span Length
303 Feet (92.35 Meters)
Structure Length
310 Feet (94.49 Meters)
Roadway Width
18 Feet (5.49 Meters)
Spans
1 Main Span(s)
NBI Number
16C0081

Historic Significance Rating (HSR)

Bridge Documentation

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

View Historical Articles Mentioning Bridges Similar To This Bridge

This bridge is a highly unusual structure that may be unique in California today. It is a pin-connected Pennsylvania through truss, something that is itself rare, but this example has vertical end posts making very unusual indeed and also giving it a distinctive appearance. Another unusual detail is that the bottom chord is only connected to the truss at every other panel point.

This bridge was not always unique however. Historical articles refer to multi-span bridges of similar design elsewhere in California, which no longer exist today. This bridge span at Blackford Road, which appears to have been moved to this location likely in ca. 1967, may have come from one of the bridges mentioned in the historical articles.

The truss of the bridge retains good historic integrity with no major alterations noted.

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Photos and Videos: Blackford Road Bridge

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Bridge Photo-Documentation
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CarCam: Eastbound Crossing With Approach
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: Westbound 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: Eastbound 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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