US Bridges

Interstate 10 over Lacmta Lrt

Good

Los Angeles County, California · 07-LA-010-R6.60-LA · Structure no. 53 1551

Built
1964
61 years old
Condition
Good
inspected June 2024
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
259,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 over Lacmta Lrt is a concrete frame carrying Interstate 10 over Lacmta Lrt 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 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 259,000 vehicles a day, roughly 4% of them trucks, projected to reach 264,574 by 2046. The structure is 28 ft (8.6 m) long and 158 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 10
CrossesLacmta Lrt
Location07-LA-010-R6.60-LA
RouteInterstate 10
Coordinates34.03125, -118.41329
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating73 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.6 m)
Longest span28 ft (8.6 m)
Deck width158 ft (48.2 m)
Roadway width132 ft (40.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic259,000 (2020)
Projected traffic264,574 by 2046
Trucks4%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 Lacmta Lrt built?

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

What condition is Interstate 10 over Lacmta Lrt 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 June 2024.

How much traffic does Interstate 10 over Lacmta Lrt carry?

About 259,000 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Interstate 10 over Lacmta Lrt?

The structure is 28 ft (8.6 m) long with a longest span of 28 ft (8.6 m) and a deck 158 ft wide.

Who owns Interstate 10 over Lacmta Lrt?

It is owned by the State Highway Agency.