It originally carried automobile traffic on its upper deck, with trucks, cars, buses and commuter trains on the lower, but after the Key System abandoned its rail service on April 20, 1958, the lower deck was converted to all-road traffic as well. Purcell, and built by American Bridge Company, it opened on Thursday, November 12, 1936, six months before the Golden Gate Bridge. The toll bridge was conceived as early as the California Gold Rush days, with "Emperor" Joshua Norton famously advocating for it, but construction did not begin until 1933. It includes one of the longest bridge spans in the United States. As part of Interstate 80 and the direct road between San Francisco and Oakland, it carries about 260,000 vehicles a day on its two decks. The San Francisco–Oakland Bay Bridge, known locally as the Bay Bridge, is a complex of bridges spanning San Francisco Bay in California. Westbound: 14 feet (4.3 m), with additional clearance in some lanes San Francisco and Oakland, California, U.S.Ĭalifornia Department of Transportation and the Bay Area Toll Authorityĭouble-decked suspension spans (two, connected by center anchorage), tunnel, cast-in-place concrete transition span, self-anchored suspension span, precast segmental concrete viaduct Part of the eastern section can be seen near Yerba Buena Island to the left.ģ7☄9′5″N 122☂0′48″W / 37.81806°N 122.34667°W / 37.81806 -122.34667Īnd pedestrians and bicycles east of Yerba Buena Island (YBI) The western section of the bridge, seen in 2022.
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