US Bridges

U.S. Route 101 over Carpinteria Creek

Good

Santa Barbara County, California · 05-SB-101-2.43-CARP · Structure no. 51 0342

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
140 ft
1 main span
Daily traffic
66,000
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. Route 101 over Carpinteria Creek is a prestressed concrete box beam or girders - multiple carrying U.S. Route 101 over Carpinteria Creek in Santa Barbara County, California. It was built in 2020, so it is 5 years old, younger 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 66,000 vehicles a day, roughly 5% of them trucks, projected to reach 89,100 by 2044. The structure is 140 ft (42.7 m) long and 167 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesU.S. Route 101
CrossesCarpinteria Creek
Location05-SB-101-2.43-CARP
RouteU.S. Route 101
Coordinates34.39425, -119.50958
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length140 ft (42.7 m)
Longest span137 ft (41.9 m)
Deck width167 ft (50.9 m)
Roadway width154 ft (47 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,000 (2022)
Projected traffic89,100 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. Route 101 over Carpinteria Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is U.S. Route 101 over Carpinteria 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 2024.

How much traffic does U.S. Route 101 over Carpinteria Creek carry?

About 66,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is U.S. Route 101 over Carpinteria Creek?

The structure is 140 ft (42.7 m) long with a longest span of 137 ft (41.9 m) and a deck 167 ft wide.

Who owns U.S. Route 101 over Carpinteria Creek?

It is owned by the State Highway Agency.