US Bridges

Carpinteria Avenue over Santa Monica Creek

Fair

Santa Barbara County, California · 0.1 MI W Seventh ST · Structure no. 51C0143

Built
1971
54 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
4,871
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Carpinteria Avenue over Santa Monica Creek is a concrete slab carrying Carpinteria Avenue over Santa Monica Creek in Santa Barbara County, California. It was built in 1971, so it is 54 years old, younger 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 4,871 vehicles a day, roughly 1% of them trucks, projected to reach 12,802 by 2041. The structure is 38 ft (11.6 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCarpinteria Avenue
CrossesSanta Monica Creek
Location0.1 MI W Seventh ST
RouteCity Street 0
CountySanta Barbara County
StateCalifornia
Coordinates34.40199, -119.52896
Functional classUrban Minor Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating70.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,871 (2011)
Projected traffic12,802 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Carpinteria Avenue over Santa Monica Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Carpinteria Avenue over Santa Monica 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 November 2023.

How much traffic does Carpinteria Avenue over Santa Monica Creek carry?

About 4,871 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Carpinteria Avenue over Santa Monica Creek?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 60 ft wide.

Who owns Carpinteria Avenue over Santa Monica Creek?

It is owned by the City or Municipal Highway Agency.