US Bridges

State Route 135 over Bradley Channel

Fair

Santa Barbara County, California · 05-SB-135-17.55-SMRA · Structure no. 51 0238

Built
1974
51 years old, rebuilt 1985
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
31 ft
5 main spans
Daily traffic
20,900
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 135 over Bradley Channel is a concrete continuous culvert carrying State Route 135 over Bradley Channel in Santa Barbara County, California. It was built in 1974 and reconstructed in 1985, so it is 51 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,900 vehicles a day, roughly 4% of them trucks, projected to reach 19,787 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesState Route 135
CrossesBradley Channel
Location05-SB-135-17.55-SMRA
RouteState Highway 135
CountySanta Barbara County
StateCalifornia
Coordinates34.97858, -120.43478
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating26.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,900 (2009)
Projected traffic19,787 by 2043
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 135 over Bradley Channel built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 1985.

What condition is State Route 135 over Bradley Channel in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does State Route 135 over Bradley Channel carry?

About 20,900 vehicles per day (2009 count), of which roughly 4% are trucks.

How long is State Route 135 over Bradley Channel?

The structure is 31 ft (9.4 m) long with a longest span of 5 ft (1.5 m).

Who owns State Route 135 over Bradley Channel?

It is owned by the State Highway Agency.