US Bridges

State Route 150 over Santa Ana Creek

Good

Ventura County, California · 07-VEN-150-10.98 · Structure no. 52 0244

Built
1959
66 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
2,650
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 150 over Santa Ana Creek is a concrete continuous culvert carrying State Route 150 over Santa Ana Creek in Ventura County, California. It was built in 1959, so it is 66 years old, older 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 2,650 vehicles a day, roughly 9% of them trucks, projected to reach 4,150 by 2041. The structure is 33 ft (10.1 m) long and 51 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesState Route 150
CrossesSanta Ana Creek
Location07-VEN-150-10.98
RouteState Highway 150
Coordinates34.4195, -119.34158
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span11 ft (3.4 m)
Deck width51 ft (15.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2020)
Projected traffic4,150 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 150 over Santa Ana Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is State Route 150 over Santa Ana Creek 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 October 2023.

How much traffic does State Route 150 over Santa Ana Creek carry?

About 2,650 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is State Route 150 over Santa Ana Creek?

The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.4 m) and a deck 51 ft wide.

Who owns State Route 150 over Santa Ana Creek?

It is owned by the State Highway Agency.