US Bridges

US Highway 101 NB over Nojoqui Creek

Fair

Santa Barbara County, California · 05-SB-101-56.00 · Structure no. 51 0018R

Built
1930
95 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
170 ft
4 main spans
Daily traffic
11,000
2009 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 NB over Nojoqui Creek is a concrete tee beam carrying US Highway 101 NB over Nojoqui Creek in Santa Barbara County, California. It was built in 1930, so it is 95 years old, older 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 5 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 11,000 vehicles a day, roughly 10% of them trucks, projected to reach 17,987 by 2043. The structure is 170 ft (51.8 m) long and 37 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS Highway 101 NB
CrossesNojoqui Creek
Location05-SB-101-56.00
RouteU.S. Route 101
Coordinates34.59629, -120.19376
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length170 ft (51.8 m)
Longest span43 ft (13 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2009)
Projected traffic17,987 by 2043
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 US Highway 101 NB over Nojoqui Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is US Highway 101 NB 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 July 2023.

How much traffic does US Highway 101 NB over Nojoqui Creek carry?

About 11,000 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is US Highway 101 NB over Nojoqui Creek?

The structure is 170 ft (51.8 m) long with a longest span of 43 ft (13 m) and a deck 37 ft wide.

Who owns US Highway 101 NB over Nojoqui Creek?

It is owned by the State Highway Agency.