Dumbarton Bridge, Toll road bridge in San Francisco Bay, United States
Built from reinforced concrete, the Dumbarton Bridge extends 2,621 meters across San Francisco Bay, connecting Menlo Park with Newark in California.
The bridge commenced operations in October 1982, establishing the southernmost vehicular crossing point in San Francisco Bay, reducing travel times between Silicon Valley and East Bay.
The bridge stands as a central element of Bay Area mobility, supporting the transportation needs of numerous technology companies and their employees.
The structure includes three traffic lanes in each direction, plus dedicated paths for cyclists and pedestrians on its southern edge.
The bridge provides direct views of wetland ecosystems, where observers can spot local wildlife while crossing San Francisco Bay.
Location: Menlo Park
Official opening: October 1982
Length: 2,621 m
Made from material: reinforced concrete
GPS coordinates: 37.50690,-122.11690
Latest update: September 23, 2025 16:45
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