US Bridges

E10-N57 Connector over Interstate 10 and Ramps

Fair

Los Angeles County, California · 07-LA-010-42.44-POM · Structure no. 53 2004G

Built
1972
53 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
707 ft
6 main spans
Daily traffic
5,000
2018 count
Owner
State
State Highway Agency

About this bridge

E10-N57 Connector over Interstate 10 and Ramps is a concrete continuous box beam or girders - multiple carrying E10-N57 Connector over Interstate 10 and Ramps 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 5,000 vehicles a day, roughly 4% of them trucks, projected to reach 5,341 by 2046. The structure is 707 ft (215.6 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesE10-N57 Connector
CrossesInterstate 10 and Ramps
Location07-LA-010-42.44-POM
RouteInterstate 10
CountyLos Angeles County
StateCalifornia
Coordinates34.06437, -117.80721
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating72.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length707 ft (215.6 m)
Longest span156 ft (47.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck20 ft (6.2 m)

Traffic and service

Average daily traffic5,000 (2018)
Projected traffic5,341 by 2046
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 E10-N57 Connector over Interstate 10 and Ramps built?

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

What condition is E10-N57 Connector over Interstate 10 and Ramps 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-N57 Connector over Interstate 10 and Ramps carry?

About 5,000 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is E10-N57 Connector over Interstate 10 and Ramps?

The structure is 707 ft (215.6 m) long with a longest span of 156 ft (47.5 m) and a deck 34 ft wide.

Who owns E10-N57 Connector over Interstate 10 and Ramps?

It is owned by the State Highway Agency.