US Bridges

Interstate 10 over California Ave

Fair

Riverside County, California · 08-RIV-010-7.32-BAU · Structure no. 56 0434

Built
1961
64 years old, rebuilt 1970
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
95 ft
1 main span
Daily traffic
123,000
2016 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 over California Ave is a concrete box beam or girders - multiple carrying Interstate 10 over California Ave in Riverside County, California. It was built in 1961 and reconstructed in 1970, so it is 64 years old, older 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 123,000 vehicles a day, roughly 14% of them trucks, projected to reach 187,600 by 2040. The structure is 95 ft (29.1 m) long and 156 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10
CrossesCalifornia Ave
Location08-RIV-010-7.32-BAU
RouteInterstate 10
Coordinates33.92746, -116.9815
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating21.1 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29.1 m)
Longest span95 ft (29.1 m)
Deck width156 ft (47.6 m)
Roadway width152 ft (46.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123,000 (2016)
Projected traffic187,600 by 2040
Trucks14%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 10 over California Ave built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1970.

What condition is Interstate 10 over California Ave 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 Interstate 10 over California Ave carry?

About 123,000 vehicles per day (2016 count), of which roughly 14% are trucks.

How long is Interstate 10 over California Ave?

The structure is 95 ft (29.1 m) long with a longest span of 95 ft (29.1 m) and a deck 156 ft wide.

Who owns Interstate 10 over California Ave?

It is owned by the State Highway Agency.