US Bridges

Route 710 SB over Route 10 & Connectors

Fair

Los Angeles County, California · 07-LA-710-26.47-MONP · Structure no. 53 1445L

Built
1960
65 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
331 ft
2 main spans
Daily traffic
127,000
2017 count
Owner
State
State Highway Agency

About this bridge

Route 710 SB over Route 10 & Connectors is a prestressed concrete box beam or girders - multiple carrying Route 710 SB over Route 10 & Connectors in Los Angeles County, California. It was built in 1960, 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 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 127,000 vehicles a day, roughly 5% of them trucks, projected to reach 129,000 by 2041. The structure is 331 ft (101 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 710 SB
CrossesRoute 10 & Connectors
Location07-LA-710-26.47-MONP
RouteInterstate 710
Coordinates34.06073, -118.16531
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
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadH 20
Structure length331 ft (101 m)
Longest span70 ft (21.3 m)
Deck width59 ft (17.9 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127,000 (2017)
Projected traffic129,000 by 2041
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 Route 710 SB over Route 10 & Connectors built?

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

What condition is Route 710 SB over Route 10 & Connectors 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 September 2024.

How much traffic does Route 710 SB over Route 10 & Connectors carry?

About 127,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Route 710 SB over Route 10 & Connectors?

The structure is 331 ft (101 m) long with a longest span of 70 ft (21.3 m) and a deck 59 ft wide.

Who owns Route 710 SB over Route 10 & Connectors?

It is owned by the State Highway Agency.