US Bridges

Interstate 10 over San Jose Wash

Good

Los Angeles County, California · 07-LA-010-44.89-POM · Structure no. 53 0991

Built
1954
71 years old, rebuilt 2003
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
40 ft
1 main span
Daily traffic
247,000
2016 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 over San Jose Wash is a concrete culvert carrying Interstate 10 over San Jose Wash in Los Angeles County, California. It was built in 1954 and reconstructed in 2003, so it is 71 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 247,000 vehicles a day, roughly 7% of them trucks, projected to reach 275,377 by 2044. The structure is 40 ft (12.2 m) long and 165 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10
CrossesSan Jose Wash
Location07-LA-010-44.89-POM
RouteInterstate 10
Coordinates34.07137, -117.76651
Functional classUrban Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width165 ft (50.3 m)
Roadway width160 ft (48.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic247,000 (2016)
Projected traffic275,377 by 2044
Trucks7%
Lanes on structure10
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 10 over San Jose Wash built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2003.

What condition is Interstate 10 over San Jose Wash 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 January 2024.

How much traffic does Interstate 10 over San Jose Wash carry?

About 247,000 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is Interstate 10 over San Jose Wash?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 165 ft wide.

Who owns Interstate 10 over San Jose Wash?

It is owned by the State Highway Agency.