US Bridges

N71-W60 Connector over ST RTE 71 ST RTE 60 Ramp

Good

Los Angeles County, California · 07-LA-071-R4.25-POM · Structure no. 53 2743F

Built
1997
28 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
1,627 ft
7 main spans
Daily traffic
78,200
2020 count
Owner
State
State Highway Agency

About this bridge

N71-W60 Connector over ST RTE 71 ST RTE 60 Ramp is a prestressed concrete continuous box beam or girders - single or spread carrying N71-W60 Connector over ST RTE 71 ST RTE 60 Ramp in Los Angeles County, California. It was built in 1997, so it is 28 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 78,200 vehicles a day, roughly 10% of them trucks, projected to reach 133,644 by 2045. The structure is 1,627 ft (496 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN71-W60 Connector
CrossesST RTE 71 ST RTE 60 Ramp
Location07-LA-071-R4.25-POM
RouteState Highway 71
Coordinates34.02388, -117.75202
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than 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 spans7
Design loadHS 20
Structure length1,627 ft (496 m)
Longest span272 ft (83 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78,200 (2020)
Projected traffic133,644 by 2045
Trucks10%
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 N71-W60 Connector over ST RTE 71 ST RTE 60 Ramp built?

It was built in 1997, making it 28 years old in 2025.

What condition is N71-W60 Connector over ST RTE 71 ST RTE 60 Ramp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does N71-W60 Connector over ST RTE 71 ST RTE 60 Ramp carry?

About 78,200 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is N71-W60 Connector over ST RTE 71 ST RTE 60 Ramp?

The structure is 1,627 ft (496 m) long with a longest span of 272 ft (83 m) and a deck 39 ft wide.

Who owns N71-W60 Connector over ST RTE 71 ST RTE 60 Ramp?

It is owned by the State Highway Agency.