US Bridges

US Highway 101 SB over State Route 135

Good

Santa Barbara County, California · 05-SB-101-70.91 · Structure no. 51 0361

Built
2022
3 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
122 ft
1 main span
Daily traffic
29,000
2009 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 SB over State Route 135 is a prestressed concrete box beam or girders - multiple carrying US Highway 101 SB over State Route 135 in Santa Barbara County, California. It was built in 2022, so it is 3 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 29,000 vehicles a day, roughly 13% of them trucks, projected to reach 59,782 by 2044. The structure is 122 ft (37.2 m) long and 117 ft wide.

CarriesUS Highway 101 SB
CrossesState Route 135
Location05-SB-101-70.91
RouteU.S. Route 101
Coordinates34.7425, -120.27047
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.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length122 ft (37.2 m)
Longest span118 ft (36 m)
Deck width117 ft (35.8 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2009)
Projected traffic59,782 by 2044
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 US Highway 101 SB over State Route 135 built?

It was built in 2022, making it 3 years old in 2025.

What condition is US Highway 101 SB over State Route 135 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 December 2024.

How much traffic does US Highway 101 SB over State Route 135 carry?

About 29,000 vehicles per day (2009 count), of which roughly 13% are trucks.

How long is US Highway 101 SB over State Route 135?

The structure is 122 ft (37.2 m) long with a longest span of 118 ft (36 m) and a deck 117 ft wide.

Who owns US Highway 101 SB over State Route 135?

It is owned by the State Highway Agency.