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Bridge conditions in Solano County, California

374 inventoried bridges · 24 rated poor · 2025 National Bridge Inventory

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

The federal inventory lists 374 bridges in Solano County: 194 rated good, 156 fair, and 24 poor.

24 of the 374 bridges in Solano County, California, are rated in poor condition (6.4%) in the 2025 National Bridge Inventory, as of August 20, 2026.
194 bridges (51.9%) are rated good and 156 (41.7%) fair.
The median Solano County bridge was built in 1974.
The busiest poor-rated bridge is Interstate 80 over Suisun Creek (built 1932), carrying about 202,000 vehicles a day.

Good 51.9% · Fair 41.7% · Poor 6.4% of 374 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
Interstate 80 over Suisun Creek	1932	202,000	Poor
Interstate 80 over Green Valley Creek	1928	189,000	Poor
Interstate 80 over Alamo Creek	1936	147,000	Poor
Interstate 80 WB over West Texas Street	1961	87,500	Poor
Interstate 80 EB over West Texas Street	1961	87,500	Poor
Interstate 80 WB over Gibson Canyon Creek	1965	60,750	Poor
State Route 12 over Alonzo Drain	1980	40,500	Poor
W80-s680&n680-w80 over Green Valley Creek	1961	33,700	Poor
State Route 37 over Napa River and Wilson Av	1963	33,000	Poor
State Rte 37 WB over Fairgrounds Drive	1992	32,000	Poor
State Rte 37 EB over Fairgrounds Drive	1992	32,000	Poor
Interstate 680 SB over Nvrr Cordelia Rd Bridge	1961	31,000	Poor
Interstate 680 NB over Nvrr Cordelia Rd Bridge	1961	31,000	Poor
N Texas Street over Airbase Parkway	1979	22,721	Poor
State Route 12 over Sacramento River SR 84	1944	20,100	Poor
State Route 12 over UP RR	1993	12,200	Poor
Cordelia Road over Suisun Creek	2007	4,277	Poor
State Route 128 over Putah Creek	1954	2,600	Poor
Rivera Road over Interstate 80	1965	2,500	Poor
Cherry Glen Road over Interstate 80	1965	2,429	Poor
Camrose Ave over Union Diversion Canal	1991	1,000	Poor
State Route 84 over Miner Slough	1933	288	Poor
Main Prairie Rd over Ulatis Creek	1962	255	Poor
Bunker Station Rd over Hass Slough	1959	25	Poor

Busiest bridges in the county

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
Interstate 80 over E80-n29 Connector Ramp	2023	145,000	Good
Interstate 80 over E37 - Columbus Parkway	1944	133,000	Good
I-80 and Ramps over Rindler Creek	1997	133,000	Fair
Interstate 80 over Red Top Road	1969	115,000	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of California: California bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.