US Bridges

Old Coast Highway over Nojoqui Creek

Fair

Santa Barbara County, California · 0.6 MI S SR 101 · Structure no. 51C0346

Built
2005
20 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
121 ft
1 main span
Daily traffic
1,000
2009 count
Owner
County
County Highway Agency

About this bridge

Old Coast Highway over Nojoqui Creek is a prestressed concrete box beam or girders - single or spread carrying Old Coast Highway over Nojoqui Creek in Santa Barbara County, California. It was built in 2005, so it is 20 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 1,626 by 2042. The structure is 121 ft (37 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Coast Highway
CrossesNojoqui Creek
Location0.6 MI S SR 101
RouteCounty Highway 0
Coordinates34.53821, -120.19163
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length121 ft (37 m)
Longest span119 ft (36.4 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2009)
Projected traffic1,626 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Old Coast Highway over Nojoqui Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Old Coast Highway over Nojoqui Creek 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 February 2024.

How much traffic does Old Coast Highway over Nojoqui Creek carry?

About 1,000 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Old Coast Highway over Nojoqui Creek?

The structure is 121 ft (37 m) long with a longest span of 119 ft (36.4 m) and a deck 34 ft wide.

Who owns Old Coast Highway over Nojoqui Creek?

It is owned by the County Highway Agency.