US Bridges

U.S. Highway 101 over Montecito Creek

Fair

Santa Barbara County, California · 05-SB-101-10.18 · Structure no. 51 0187

Built
1956
69 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
76,000
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 101 over Montecito Creek is a concrete slab carrying U.S. Highway 101 over Montecito Creek in Santa Barbara County, California. It was built in 1956, so it is 69 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 6 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 76,000 vehicles a day, roughly 5% of them trucks, projected to reach 107,011 by 2042. The structure is 34 ft (10.5 m) long and 338 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesU.S. Highway 101
CrossesMontecito Creek
Location05-SB-101-10.18
RouteU.S. Route 101
Coordinates34.42281, -119.63458
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating96.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span30 ft (9.1 m)
Deck width338 ft (102.9 m)
Roadway width190 ft (58 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76,000 (2022)
Projected traffic107,011 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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. Highway 101 over Montecito Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is U.S. Highway 101 over Montecito 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 2024.

How much traffic does U.S. Highway 101 over Montecito Creek carry?

About 76,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is U.S. Highway 101 over Montecito Creek?

The structure is 34 ft (10.5 m) long with a longest span of 30 ft (9.1 m) and a deck 338 ft wide.

Who owns U.S. Highway 101 over Montecito Creek?

It is owned by the State Highway Agency.