US Bridges

Interstate 710 over LA Junction RY

Fair

Los Angeles County, California · 07-LA-710-21.80-BELL · Structure no. 53 0839

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
207,000
2017 count
Owner
State
State Highway Agency

About this bridge

Interstate 710 over LA Junction RY is a concrete slab carrying Interstate 710 over LA Junction RY in Los Angeles County, California. It was built in 1957, so it is 68 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 6 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 207,000 vehicles a day, roughly 9% of them trucks, projected to reach 215,835 by 2041. The structure is 38 ft (11.6 m) long and 191 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesInterstate 710
CrossesLA Junction RY
Location07-LA-710-21.80-BELL
RouteInterstate 710
Coordinates33.99577, -118.17667
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating83.6 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span35 ft (10.7 m)
Deck width191 ft (58.2 m)
Roadway width187 ft (57 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic207,000 (2017)
Projected traffic215,835 by 2041
Trucks9%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 710 over LA Junction RY built?

It was built in 1957, making it 68 years old in 2025.

What condition is Interstate 710 over LA Junction RY 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 July 2024.

How much traffic does Interstate 710 over LA Junction RY carry?

About 207,000 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is Interstate 710 over LA Junction RY?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 191 ft wide.

Who owns Interstate 710 over LA Junction RY?

It is owned by the State Highway Agency.