SAN FRANCISCO – OCTOBER 30: The upper deck of the western span of the San Francisco Bay Bridge is seen without traffic October 30, 2009 in San Francisco, California. Thousands of Bay Area commuters were hampered for a third day of difficult commuting after the San Francisco Bay Bridge was abruptly closed Tuesday evening when two steel tie rods and a crossbeam from a steel saddle broke and fell onto the upper deck of the bridge landing on three vehicles and causing one person to suffer injuries. There is still no estimated time for the bridge to reopen. The eastern span of the bridge is undergoing seismic renovation and is expect to be completed in 2013. (Photo by Justin Sullivan/Getty Images)
Caltrans is expecting to perform bridge maintenance overnight on the San Francisco side of the Bay Bridge through March 23.
The roadwork, which began Feb. 22, is planned to go from 11 p.m. to 4 a.m. Sundays through Thursdays.
Due to the roadwork, two of the five lanes of the bridge in one direction will be closed while the work is performed.
Motorists should expect delays and allow extra time for travel.
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Part of of the work will involve removing rivets and replacing the rivets with high-strength bolts.
San Francisco residents living near the Bay Bridge are being advised there could be loud construction noise as a result of the work, Caltrans officials said.
