Dumbarton Bridge (California)
Dumbarton Bridge | |
|---|---|
Aerial view of the Dumbarton Bridge | |
| Coordinates | 37°30′25″N 122°07′01″W / 37.5069°N 122.1169°W |
| Carries |
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| Crosses | San Francisco Bay |
| Locale | Menlo Park, California and Fremont, California |
| Owner | State of California |
| Maintained by | California Department of Transportation and the Bay Area Toll Authority |
| ID number | 35 0038 |
| Website | www |
| Characteristics | |
| Design | Twin girder bridge |
| Material | Concrete |
| Total length | 2,621.28 meters (8,600.0 feet), 1.63 miles |
| Longest span | 103.63 meters (340.0 feet) |
| Clearance below | 25.91 meters (85.0 feet) (main span) |
| History | |
| Opened | January 17, 1927 (original span) October 1982 (current span) |
| Statistics | |
| Daily traffic | 70,000+ (auto) 118 (bike & pedestrian) |
| Toll |
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| Location | |
The Dumbarton Bridge is the southernmost of the highway bridges across San Francisco Bay in California. Carrying over 70,000 vehicles and about 118 pedestrian and bicycle crossings daily (384 on weekends), it is the shortest bridge across San Francisco Bay at 1.63 miles (8,600 ft; 2,620 m). Its eastern end is in Fremont, near Newark in the San Francisco Bay National Wildlife Refuge, and its western end is in Menlo Park. Bridging State Route 84 across the bay, it has three lanes each way and a separated bike/pedestrian lane along its south side. As with the San Mateo–Hayward Bridge to the north, power lines parallel the bridge.