US Bridges

Interstate 710 over UP RR

Fair

Los Angeles County, California · 07-LA-710-17.58-SGT · Structure no. 53 0829

Built
1957
68 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
48 ft
1 main span
Daily traffic
223,000
2017 count
Owner
State
State Highway Agency

About this bridge

Interstate 710 over UP RR is a concrete slab carrying Interstate 710 over UP RR 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 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 223,000 vehicles a day, roughly 14% of them trucks, projected to reach 234,092 by 2041. The structure is 48 ft (14.6 m) long and 182 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesInterstate 710
CrossesUP RR
Location07-LA-710-17.58-SGT
RouteInterstate 710
CountyLos Angeles County
StateCalifornia
Coordinates33.93738, -118.17283
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110 US tons
Inventory rating110 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span36 ft (11 m)
Deck width182 ft (55.5 m)
Roadway width128 ft (39 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic223,000 (2017)
Projected traffic234,092 by 2041
Trucks14%
Lanes on structure8
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 UP RR built?

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

What condition is Interstate 710 over UP RR 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 Interstate 710 over UP RR carry?

About 223,000 vehicles per day (2017 count), of which roughly 14% are trucks.

How long is Interstate 710 over UP RR?

The structure is 48 ft (14.6 m) long with a longest span of 36 ft (11 m) and a deck 182 ft wide.

Who owns Interstate 710 over UP RR?

It is owned by the State Highway Agency.