US Bridges

Clark Ave over Graciosa Canyon Creek

Good

Santa Barbara County, California · 0.02 MI W Blosser RD · Structure no. 51C0234

Built
1965
60 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
2,562
2009 count
Owner
County
County Highway Agency

About this bridge

Clark Ave over Graciosa Canyon Creek is a concrete continuous culvert carrying Clark Ave over Graciosa Canyon Creek in Santa Barbara County, California. It was built in 1965, so it is 60 years old, older 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 2,562 vehicles a day, roughly 4% of them trucks, projected to reach 6,543 by 2042. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesClark Ave
CrossesGraciosa Canyon Creek
Location0.02 MI W Blosser RD
RouteCounty Highway 0
Coordinates34.86505, -120.45354
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
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
Waterway adequacy7: Better than present minimum 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 length22 ft (6.8 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,562 (2009)
Projected traffic6,543 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Clark Ave over Graciosa Canyon Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Clark Ave over Graciosa Canyon Creek 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 Clark Ave over Graciosa Canyon Creek carry?

About 2,562 vehicles per day (2009 count), of which roughly 4% are trucks.

How long is Clark Ave over Graciosa Canyon Creek?

The structure is 22 ft (6.8 m) long with a longest span of 11 ft (3.3 m).

Who owns Clark Ave over Graciosa Canyon Creek?

It is owned by the County Highway Agency.