Dumbarton Bridge Closure Set for Friday

Seismic retrofit project will keep bridge closed through the long holiday weekend

For many people, the long Memorial Day weekend is the unofficial kickoff to the summer driving season.

But some motorists heading across the bay from the Peninsula Friday night might be in for a rude awakening: the Dumbarton Bridge may be closed.

According to Caltrans officials, the 1.6-mile span will be closed to traffic in both directions 10 p.m. Friday through 5 a.m. Tuesday for a seismic retrofit project. It also will be closed to pedestrians and bicyclists.

While the bridge is closed, Caltrans officials are urging motorists to plan ahead and allow extra time to get to their destinations using alternate routes.

To detour around the Dumbarton Bridge, Caltrans suggests using Highway 237 to the South and Highway 92 and San Mateo Bridge to the north.

The three day retrofit project involves replacing an existing joint on the western side of the bridge with a larger, seismically safe joint. Workers also will raise sections of the bridge by as many as five inches to allow for the future installation of seismic bearings that will provide independent movement of the bridge deck from its concrete piers.

The work is part of the ongoing Dumbarton Bridge Seismic Safety Project.

Real-time updates on the closure will be available by calling 511 or visiting http://www.511.org/.

 -- Bay City News Service contributed to this report. 

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Claudia Cruz (Editor) May 24, 2012 at 11:01 PM
This is good information because that means more traffic on 237 and 92.
Rob Klindt May 24, 2012 at 11:55 PM
I'm glad we have the highway 237 and 92 options available to us. It would be a nightmare otherwise.
Andrew Boone May 25, 2012 at 07:02 AM
Will the bike path on the bridge be closed too?
Claudia Cruz (Editor) May 25, 2012 at 04:07 PM
Andrew...I'll ask Caltrans and CHP. I'll get back to you. Good news though, the bike path for the Golden Gate Bridge will be open!
Claudia Cruz (Editor) May 25, 2012 at 04:29 PM
Yes, the bike path is closed ... it's also in the article too (third paragraph last sentence).
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