US Bridges

Stokes Avenue over Bradley Channel

Good

Santa Barbara County, California · 0.2 MI N of E Alvin · Structure no. 51C0364

Built
1978
47 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
200
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stokes Avenue over Bradley Channel is a concrete continuous culvert carrying Stokes Avenue over Bradley Channel in Santa Barbara County, California. It was built in 1978, so it is 47 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 1% of them trucks, projected to reach 408 by 2042. The structure is 29 ft (8.7 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesStokes Avenue
CrossesBradley Channel
Location0.2 MI N of E Alvin
RouteCity Street 0
Coordinates34.96276, -120.41788
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span14 ft (4.3 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2011)
Projected traffic408 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Stokes Avenue over Bradley Channel built?

It was built in 1978, making it 47 years old in 2025.

What condition is Stokes Avenue over Bradley Channel in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Stokes Avenue over Bradley Channel carry?

About 200 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Stokes Avenue over Bradley Channel?

The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.3 m) and a deck 56 ft wide.

Who owns Stokes Avenue over Bradley Channel?

It is owned by the City or Municipal Highway Agency.