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The official name of the bridge for all functional purposes has always been the "San Francisco–Oakland Bay Bridge", and, by most local people, it is referred to simply as "the Bay Bridge". Rolph, a Mayor of San Francisco from 1912 to 1931, was the Governor of California at the time construction of the bridge began. He died in office on June 2 ...
The eastern span replacement of the San Francisco–Oakland Bay Bridge was a construction project to replace a seismically unsound portion of the Bay Bridge with a new self-anchored suspension bridge (SAS) and a pair of viaducts. The bridge is in the U.S. state of California and crosses the San Francisco Bay between Yerba Buena Island and Oakland.
In 1946, the Alameda County Committee for a Second Bay Crossing and noted civil engineer Glenn B. Woodruff estimated the plan would cost $2.5 billion, more than 10 times Reber's estimate. Woodruff, who had helped design the San Francisco-Oakland Bay Bridge, blamed a misunderstanding of the geology of the bay for the massive discrepancy. [4]
It is the part of San Francisco–Oakland Bay Bridge complex that crosses Yerba Buena Island. The Yerba Buena Tunnel carries ten lanes of Interstate 80 (I-80) on two decks, connecting the two component spans of the Bay Bridge, the western suspension span and the eastern self-anchored suspension span. At the opening of the Bay Bridge in 1936, it ...
The idea for the Southern Crossing dates back to the 1940s when several additional bridges across San Francisco Bay were studied. [7] After the Bay Bridge crossing opened in 1936, connecting Rincon Hill 2 in San Francisco with the Key Mole 5 in Oakland via two high-level bridges and a tunnel through Yerba Buena Island, vehicle traffic exceeded estimates almost immediately; by 1945, even with ...
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The original bridge design for the San Francisco Bay span called for trestle approaches all the way to the swing span. On 21 August 1907, the supports for a 120-foot (37 m) section of eastern approach trestle, which had been built to within 120 feet (37 m) of the swing span, washed out in the receding tide and the bridge plans were modified.
Final plans for the San Francisco–Oakland Bay Bridge included building the Oakland approach adjacent to the mole. After the fire, the California Toll Bridge Authority filed to condemn and acquire part of the causeway as well as the property of the former terminal. [17] Transbay service was transferred to the bridge on January 15, 1939, though ...