US Bridges

Tepusquet Road over Sisquoc River

Fair

Santa Barbara County, California · 0.4 MI N Foxen Canyon RD · Structure no. 51C0353

Built
2010
15 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
689 ft
5 main spans
Daily traffic
400
2014 count
Owner
County
County Highway Agency

About this bridge

Tepusquet Road over Sisquoc River is a prestressed concrete continuous box beam or girders - multiple carrying Tepusquet Road over Sisquoc River in Santa Barbara County, California. It was built in 2010, so it is 15 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 1,091 by 2042. The structure is 689 ft (210 m) long and 37 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesTepusquet Road
CrossesSisquoc River
Location0.4 MI N Foxen Canyon RD
RouteCounty Highway 0
Coordinates34.85992, -120.25911
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum 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

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length689 ft (210 m)
Longest span153 ft (46.6 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2014)
Projected traffic1,091 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 Tepusquet Road over Sisquoc River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Tepusquet Road over Sisquoc River 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 January 2025.

How much traffic does Tepusquet Road over Sisquoc River carry?

About 400 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Tepusquet Road over Sisquoc River?

The structure is 689 ft (210 m) long with a longest span of 153 ft (46.6 m) and a deck 37 ft wide.

Who owns Tepusquet Road over Sisquoc River?

It is owned by the County Highway Agency.