US Bridges

Interstate 10 over Santa Anita Ave

Fair

Los Angeles County, California · 07-LA-010-28.67-EMTE · Structure no. 53 0658

Built
1956
69 years old, rebuilt 2004
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
84 ft
1 main span
Daily traffic
236,000
2017 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 over Santa Anita Ave is a concrete box beam or girders - multiple carrying Interstate 10 over Santa Anita Ave in Los Angeles County, California. It was built in 1956 and reconstructed in 2004, so it is 69 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 236,000 vehicles a day, roughly 4% of them trucks, projected to reach 273,185 by 2043. The structure is 84 ft (25.6 m) long and 165 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesInterstate 10
CrossesSanta Anita Ave
Location07-LA-010-28.67-EMTE
RouteInterstate 10
CountyLos Angeles County
StateCalifornia
Coordinates34.06859, -118.04237
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating52.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span82 ft (25 m)
Deck width165 ft (50.3 m)
Roadway width160 ft (48.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236,000 (2017)
Projected traffic273,185 by 2043
Trucks4%
Lanes on structure12
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 Santa Anita Ave built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2004.

What condition is Interstate 10 over Santa Anita 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 April 2023.

How much traffic does Interstate 10 over Santa Anita Ave carry?

About 236,000 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Interstate 10 over Santa Anita Ave?

The structure is 84 ft (25.6 m) long with a longest span of 82 ft (25 m) and a deck 165 ft wide.

Who owns Interstate 10 over Santa Anita Ave?

It is owned by the State Highway Agency.