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Bunker Station Rd over Hass Slough

Solano County, California · rated Poor in the 2025 National Bridge Inventory

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

Bunker Station Rd over Hass Slough in Solano County, California, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1959, making it 66 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2010).
Its listed owner is the county highway agency.
It is one of 24 of the 374 inventoried bridges in Solano County rated poor (6.4%); 24 (6.4%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Timber stringer or multi-beam girder
Length	about 48 ft
Location	1.5 Mi S Binghamton Rd
NBI structure number	23C0062
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Interstate 80 over Dan Wilson Creek	1951	202,000	Fair
Interstate 80 over Suisun Creek	1932	202,000	Poor
Interstate 80 over Green Valley Creek	1928	189,000	Poor
Interstate 80 over Pedestrian Walkway	1961	177,000	Good
Interstate 80 over Alamo Creek	1936	147,000	Poor
Interstate 80 over Interstate 780	1958	145,000	Good