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Third Street Bridge Closure and Traffic

Posted January 11, 2018, 12:49 PM

Updated January 15, 2018, 5:32 PM

The Third Street Bridge is anticipated to be closed and locked in the upright position between December 11, 2017 and January 26, 2018 to facilitate counterweight repair work.  Work is being done during this off-season period to accommodate the San Francisco Giants and to minimize impacts to the general public. Traffic has been re-routed along 16th and 7th streets, causing more traffic in the CCA neighborhood than usual. After January 26, the bridge will be lowered and locked, and the repair work will continue through 2019 with periodic closures.

Bridge history:

The bridge is both historic and a mechanical marvel, featuring black steel beams, a 2,250-ton counterweight and a golden pedigree. It is a classic example of a Strauss Bascule Bridge, which was the cutting edge of drawbridge design in the 1920s and ’30s. The chief engineer was Joseph Baermann Strauss, who was also chief engineer on the Golden Gate Bridge.