US Bridges

State Route 150 over Santa Paula Creek

Good

Ventura County, California · 07-VEN-150-28.61 · Structure no. 52 0105

Built
1969
56 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
178 ft
1 main span
Daily traffic
3,150
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 150 over Santa Paula Creek is a prestressed concrete box beam or girders - multiple carrying State Route 150 over Santa Paula Creek in Ventura County, California. It was built in 1969, so it is 56 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 3,150 vehicles a day, roughly 6% of them trucks, projected to reach 3,600 by 2041. The structure is 178 ft (54.4 m) long and 34 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesState Route 150
CrossesSanta Paula Creek
Location07-VEN-150-28.61
RouteState Highway 150
Coordinates34.42674, -119.08994
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length178 ft (54.4 m)
Longest span177 ft (54 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,150 (2020)
Projected traffic3,600 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 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 Paula Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is State Route 150 over Santa Paula 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 Paula Creek carry?

About 3,150 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is State Route 150 over Santa Paula Creek?

The structure is 178 ft (54.4 m) long with a longest span of 177 ft (54 m) and a deck 34 ft wide.

Who owns State Route 150 over Santa Paula Creek?

It is owned by the State Highway Agency.