US Bridges

US Highway 101 SB over Nojoqui Creek

Good

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

Built
1955
70 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
169 ft
4 main spans
Daily traffic
11,000
2009 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 SB over Nojoqui Creek is a concrete continuous tee beam carrying US Highway 101 SB over Nojoqui Creek in Santa Barbara County, California. It was built in 1955, so it is 70 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 11,000 vehicles a day, roughly 10% of them trucks, projected to reach 17,987 by 2043. The structure is 169 ft (51.5 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS Highway 101 SB
CrossesNojoqui Creek
Location05-SB-101-56.00
RouteU.S. Route 101
Coordinates34.59623, -120.19402
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating27.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span43 ft (13 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 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 closed11.8 mi (19 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 SB over Nojoqui Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is US Highway 101 SB over Nojoqui 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 July 2023.

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

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

How long is US Highway 101 SB over Nojoqui Creek?

The structure is 169 ft (51.5 m) long with a longest span of 43 ft (13 m) and a deck 34 ft wide.

Who owns US Highway 101 SB over Nojoqui Creek?

It is owned by the State Highway Agency.