US Bridges

US Highway 101 SB over Cabrillo Blvd

Fair

Santa Barbara County, California · 05-SB-101-11.43-SB · Structure no. 51 0086L

Built
1934
91 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
147 ft
5 main spans
Daily traffic
44,500
2009 count
Owner
State
State Highway Agency

About this bridge

US Highway 101 SB over Cabrillo Blvd is a concrete continuous slab carrying US Highway 101 SB over Cabrillo Blvd in Santa Barbara County, California. It was built in 1934, so it is 91 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 44,500 vehicles a day, roughly 6% of them trucks, projected to reach 57,745 by 2042. The structure is 147 ft (44.8 m) long and 56 ft wide.

CarriesUS Highway 101 SB
CrossesCabrillo Blvd
Location05-SB-101-11.43-SB
RouteU.S. Route 101
Coordinates34.42239, -119.65473
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length147 ft (44.8 m)
Longest span55 ft (16.8 m)
Deck width56 ft (17.1 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,500 (2009)
Projected traffic57,745 by 2042
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 Cabrillo Blvd built?

It was built in 1934, making it 91 years old in 2025.

What condition is US Highway 101 SB over Cabrillo Blvd 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 January 2024.

How much traffic does US Highway 101 SB over Cabrillo Blvd carry?

About 44,500 vehicles per day (2009 count), of which roughly 6% are trucks.

How long is US Highway 101 SB over Cabrillo Blvd?

The structure is 147 ft (44.8 m) long with a longest span of 55 ft (16.8 m) and a deck 56 ft wide.

Who owns US Highway 101 SB over Cabrillo Blvd?

It is owned by the State Highway Agency.