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Interstate 80 over Yerba Buena Island

San Francisco County, California · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Interstate 80 over Yerba Buena Island in San Francisco County, California, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2007, making it 18 years old at the 2025 inventory.
It carries about 248,000 vehicles a day (traffic count year 2014).
Its listed owner is the state highway agency.
It is one of 48 of the 144 inventoried bridges in San Francisco County rated good (33.3%); 20 (13.9%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings

Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.

Bridge	Built	Vehicles/day	Condition
Interstate 80 over Gate San Francisco Bay	2013	265,000	Good
St Rte 101 (5TH St over Bayshore Viaduct	1955	256,700	Fair
Interstate 80 over Yerba Buena Island	1936	248,000	Good
U.S. Highway 101 over 280/101 Ic - Alemany Cir	1950	234,000	Fair
U.S. Highway 101 over Cesar Chavez Blvd	1951	234,000	Poor
U.S. Highway 101 over Cortland Avenue	1950	234,000	Fair