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Alisal Road over Santa Ynez River

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

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

Alisal Road over Santa Ynez River in Santa Barbara County, California, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1971, making it 54 years old at the 2025 inventory.
It carries about 1,712 vehicles a day (traffic count year 2010).
Its listed owner is a city or municipal highway agency.
It is one of 16 of the 421 inventoried bridges in Santa Barbara County rated poor (3.8%); 16 (3.8%) 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	Continuous concrete multiple box beam
Length	about 853 ft
Location	0.8 Mi S SR 246
NBI structure number	51C0008
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
Hwy 101 NB Rt Lane over Mission Creek	1963	120,000	Good
La Cumbre Road over US Highway 101	1997	110,900	Good
U.S. Highway 101 over Quarantina Street	1990	109,000	Good
U.S. Highway 101 over Calle Cesar Chavez	1990	109,000	Good
U.S. Highway 101 over Chapala St Equalizer	1992	109,000	Good
US Highway 101 over Sycamore Creek	2011	109,000	Fair