US Bridges

Interstate 10 over Cattaraugus Ave

Fair

Los Angeles County, California · 07-LA-010-R8.30-LA · Structure no. 53 1558

Built
1964
61 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
145 ft
3 main spans
Daily traffic
275,000
2024 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 over Cattaraugus Ave is a concrete continuous box beam or girders - multiple carrying Interstate 10 over Cattaraugus Ave in Los Angeles County, California. It was built in 1964, so it is 61 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 275,000 vehicles a day, projected to reach 283,085 by 2042. The structure is 145 ft (44.3 m) long and 141 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesInterstate 10
CrossesCattaraugus Ave
Location07-LA-010-R8.30-LA
RouteInterstate 10
CountyLos Angeles County
StateCalifornia
Coordinates34.03367, -118.38579
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length145 ft (44.3 m)
Longest span77 ft (23.5 m)
Deck width141 ft (42.9 m)
Roadway width135 ft (41 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275,000 (2024)
Projected traffic283,085 by 2042
Trucks0%
Lanes on structure10
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 Cattaraugus Ave built?

It was built in 1964, making it 61 years old in 2025.

What condition is Interstate 10 over Cattaraugus 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 June 2024.

How much traffic does Interstate 10 over Cattaraugus Ave carry?

About 275,000 vehicles per day (2024 count).

How long is Interstate 10 over Cattaraugus Ave?

The structure is 145 ft (44.3 m) long with a longest span of 77 ft (23.5 m) and a deck 141 ft wide.

Who owns Interstate 10 over Cattaraugus Ave?

It is owned by the State Highway Agency.