US Bridges

Interstate 110 over 168th Street

Good

Los Angeles County, California · 07-LA-110-10.32-LA · Structure no. 53 0957

Built
1960
65 years old, rebuilt 1991
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
87 ft
1 main span
Daily traffic
243,000
2022 count
Owner
State
State Highway Agency

About this bridge

Interstate 110 over 168th Street is a concrete box beam or girders - multiple carrying Interstate 110 over 168th Street in Los Angeles County, California. It was built in 1960 and reconstructed in 1991, so it is 65 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 243,000 vehicles a day, roughly 6% of them trucks, projected to reach 251,734 by 2044. The structure is 87 ft (26.5 m) long and 249 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 110
Crosses168th Street
Location07-LA-110-10.32-LA
RouteInterstate 110
Coordinates33.87924, -118.28457
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating108.2 US tons
Inventory rating36.4 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadHS 20 + Mod
Structure length87 ft (26.5 m)
Longest span84 ft (25.6 m)
Deck width249 ft (76 m)
Roadway width217 ft (66 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic243,000 (2022)
Projected traffic251,734 by 2044
Trucks6%
Lanes on structure13
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 110 over 168th Street built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1991.

What condition is Interstate 110 over 168th Street 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 April 2024.

How much traffic does Interstate 110 over 168th Street carry?

About 243,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Interstate 110 over 168th Street?

The structure is 87 ft (26.5 m) long with a longest span of 84 ft (25.6 m) and a deck 249 ft wide.

Who owns Interstate 110 over 168th Street?

It is owned by the State Highway Agency.