US Bridges

4th ST-E10 on Ramp over S1-LINCOLN Bl Off-Ramp

Fair

Los Angeles County, California · 07-LA-001-R34.83-SMCA · Structure no. 53 2740K

Built
1992
33 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
474 ft
5 main spans
Daily traffic
13,440
2017 count
Owner
State
State Highway Agency

About this bridge

4th ST-E10 on Ramp over S1-LINCOLN Bl Off-Ramp is a prestressed concrete continuous box beam or girders - multiple carrying 4th ST-E10 on Ramp over S1-LINCOLN Bl Off-Ramp in Los Angeles County, California. It was built in 1992, so it is 33 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 13,440 vehicles a day, roughly 1% of them trucks, projected to reach 21,305 by 2040. The structure is 474 ft (144.5 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries4th ST-E10 on Ramp
CrossesS1-LINCOLN Bl Off-Ramp
Location07-LA-001-R34.83-SMCA
RouteState Highway 1
Coordinates34.01328, -118.48813
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionAugust 2023
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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length474 ft (144.5 m)
Longest span108 ft (32.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,440 (2017)
Projected traffic21,305 by 2040
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 4th ST-E10 on Ramp over S1-LINCOLN Bl Off-Ramp built?

It was built in 1992, making it 33 years old in 2025.

What condition is 4th ST-E10 on Ramp over S1-LINCOLN Bl Off-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 August 2023.

How much traffic does 4th ST-E10 on Ramp over S1-LINCOLN Bl Off-Ramp carry?

About 13,440 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is 4th ST-E10 on Ramp over S1-LINCOLN Bl Off-Ramp?

The structure is 474 ft (144.5 m) long with a longest span of 108 ft (32.9 m) and a deck 35 ft wide.

Who owns 4th ST-E10 on Ramp over S1-LINCOLN Bl Off-Ramp?

It is owned by the State Highway Agency.