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Alvin Ave over US Hwy 101 & Bradley Chn

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

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

Alvin Ave over US Hwy 101 & Bradley Chn in Santa Barbara 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 1972, making it 53 years old at the 2025 inventory.
It carries about 48,000 vehicles a day (traffic count year 2010).
Its listed owner is the state highway agency.
It is one of 226 of the 421 inventoried bridges in Santa Barbara County rated good (53.7%); 16 (3.8%) 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


Structure	Continuous prestressed concrete stringer or multi-beam girder
Length	about 306 ft
Location	05-sb-101-89.13-smra
NBI structure number	51 0040
Condition class	Good

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