Weeknight Dumbarton Bridge lane closures expected to affect traffic until August 2012 

Due to long-term construction underway on the Dumbarton Bridge, Caltrans began closing lanes in each direction on the bridge Monday night to facilitate the seismic retrofit that is expected to be completed by August 2012.

Motorists should expect overnight lane closures in either direction during the ongoing construction work, with up to two of the three bridge lanes in each direction affected.

Lane closures will be limited to weekday overnight hours in an effort to minimize impacts to motorists and bicyclists, according to a Caltrans spokesman for the project.

The mixed pedestrian and bicyclist path will remain open during the lane closures.



The seismic retrofit of the bridge includes reinforcing its existing concrete bridge slab, replacing major deck joints and installing isolation bearings, Caltrans spokesman Bart Ney said in a statement.

For Monday nights through Thursday nights, two westbound lanes may be closed as early as 8 p.m. and should reopen by 5 a.m. the following morning. Eastbound closures will be offset by an hour, with closures as early as 9 p.m. that will be in effect until about 6 a.m.

Friday nights, lanes will close at the same time but work could last until 11 a.m. Saturday morning.

Motorists, bicyclists, and pedestrians can check for daily updates on lane closures by visiting www.DumbartonBridgeInfo.org.

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