US Bridges

E10-S71 Connector over N57-E10 Connector Ramp

Fair

Los Angeles County, California · 07-LA-010-42.53-POM · Structure no. 53 2000G

Built
1972
53 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
133 ft
1 main span
Daily traffic
15,000
2018 count
Owner
State
State Highway Agency

About this bridge

E10-S71 Connector over N57-E10 Connector Ramp is a prestressed concrete box beam or girders - multiple carrying E10-S71 Connector over N57-E10 Connector Ramp in Los Angeles County, California. It was built in 1972, so it is 53 years old, younger 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 15,000 vehicles a day, roughly 2% of them trucks, projected to reach 16,931 by 2046. The structure is 133 ft (40.5 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesE10-S71 Connector
CrossesN57-E10 Connector Ramp
Location07-LA-010-42.53-POM
RouteInterstate 10
CountyLos Angeles County
StateCalifornia
Coordinates34.06516, -117.8048
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating49.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span130 ft (39.6 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2018)
Projected traffic16,931 by 2046
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 E10-S71 Connector over N57-E10 Connector Ramp built?

It was built in 1972, making it 53 years old in 2025.

What condition is E10-S71 Connector over N57-E10 Connector Ramp 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 January 2024.

How much traffic does E10-S71 Connector over N57-E10 Connector Ramp carry?

About 15,000 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is E10-S71 Connector over N57-E10 Connector Ramp?

The structure is 133 ft (40.5 m) long with a longest span of 130 ft (39.6 m) and a deck 34 ft wide.

Who owns E10-S71 Connector over N57-E10 Connector Ramp?

It is owned by the State Highway Agency.