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State Route 135 over Bradley Channel

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

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

State Route 135 over Bradley Channel in Santa Barbara County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1974 and reconstructed in 1985, making it 51 years old at the 2025 inventory.
It carries about 20,900 vehicles a day (traffic count year 2009).
Its listed owner is the state highway agency.
It is one of 179 of the 421 inventoried bridges in Santa Barbara County rated fair (42.5%); 16 (3.8%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition


Structure	Continuous concrete culvert
Length	about 30 ft
Location	05-sb-135-17.55-smra
NBI structure number	51 0238
Condition class	Fair

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