US Bridges

State Route 33 over Cuyama River

Good

Ventura County, California · 07-VEN-033-48.67 · Structure no. 52 0452

Built
2001
24 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
345 ft
8 main spans
Daily traffic
340
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 33 over Cuyama River is a concrete continuous slab carrying State Route 33 over Cuyama River in Ventura County, California. It was built in 2001, so it is 24 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 340 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2042. The structure is 345 ft (105.2 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 33
CrossesCuyama River
Location07-VEN-033-48.67
RouteState Highway 33
Coordinates34.68788, -119.35824
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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating29.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length345 ft (105.2 m)
Longest span44 ft (13.4 m)
Deck width35 ft (10.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2020)
Projected traffic400 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

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 State Route 33 over Cuyama River built?

It was built in 2001, making it 24 years old in 2025.

What condition is State Route 33 over Cuyama River 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 May 2024.

How much traffic does State Route 33 over Cuyama River carry?

About 340 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is State Route 33 over Cuyama River?

The structure is 345 ft (105.2 m) long with a longest span of 44 ft (13.4 m) and a deck 35 ft wide.

Who owns State Route 33 over Cuyama River?

It is owned by the State Highway Agency.