US Bridges

135th Street over Interstate 110

Fair

Los Angeles County, California · 07-LA-110-12.39-LA · Structure no. 53 0949

Built
1993
32 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
241 ft
2 main spans
Daily traffic
18,260
2024 count
Owner
State
State Highway Agency

About this bridge

135th Street over Interstate 110 is a prestressed concrete continuous box beam or girders - multiple carrying 135th Street over Interstate 110 in Los Angeles County, California. It was built in 1993, so it is 32 years old, younger 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 18,260 vehicles a day, roughly 1% of them trucks, projected to reach 23,944 by 2042. The structure is 241 ft (73.5 m) long and 92 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries135th Street
CrossesInterstate 110
Location07-LA-110-12.39-LA
RouteCity Street 0
Coordinates33.90904, -118.28704
Functional classUrban Minor Arterial

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 inspectionMay 2024
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 alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length241 ft (73.5 m)
Longest span130 ft (39.6 m)
Deck width92 ft (28 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,260 (2024)
Projected traffic23,944 by 2042
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 135th Street over Interstate 110 built?

It was built in 1993, making it 32 years old in 2025.

What condition is 135th Street over Interstate 110 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 May 2024.

How much traffic does 135th Street over Interstate 110 carry?

About 18,260 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is 135th Street over Interstate 110?

The structure is 241 ft (73.5 m) long with a longest span of 130 ft (39.6 m) and a deck 92 ft wide.

Who owns 135th Street over Interstate 110?

It is owned by the State Highway Agency.