Dumbarton Bridge
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| A number of important and historic water crossings are clustered in the south Bay. The Dumbarton Bridge was the first road bridge to span the Bay, and today it connects the built-out Silicon Valley to the real estate of the south-east Bay. The train bridge south of the Dumbarton Bridge was the first rail bridge across the Bay, the Dumbarton cut-off, opening in 1910. Service stopped in 1982, and the rotating span, which allows boats through, is now welded open. A submerged pipeline next to the bridge moves salt brine to the ponds and the refinery at Redwood City. And a major source of electricity for San Francisco crosses the Bay here too, bringing Hetch Hetchy power from the Newark Substation to the Ravenswood Substation, and then north to the city. The old Dumbarton Bridge, which opened in 1927, was replaced by a new bridge built next to it in 1982, and the drawbridge in the middle of the old span was removed. The west side (the Ravenswood Pier) is now a closed fishing area, with signs warning against eating too many fish. The east side is called the Dumbarton Pier, and is open to the public. |
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S of San Francisco
(POINT(-122.11775779724 37.506866210056))
(show on map)
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| CA |
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| The Dumbarton Bridge and the structures around it provide unusual access to the engrossing horizontality of south Bay shorescape. While the road bridge offers good views of the Bay, the two piers - the former road bridge next to the current one - and their access roads, allow a closer interaction with the brittle, foamy salt ponds with desiccated wooden debris, electrical towers and levees. |
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http://www.abag.ca.gov/bayarea/baytrail/vtour/map3/access/Btdmbrtn/Btdmbrtn.htm
http://www.lib.berkeley.edu/Exhibits/Bridge/dumbart.html
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Road Bridge, Water
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