US Bridges

N57-W60 Connector over SR 57 SR 60 Gldn Spr Drn

Good

Los Angeles County, California · 07-LA-057-R4.32R-DMBR · Structure no. 53 1848G

Built
1972
53 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,471 ft
6 main spans
Daily traffic
26,000
2017 count
Owner
State
State Highway Agency

About this bridge

N57-W60 Connector over SR 57 SR 60 Gldn Spr Drn is a prestressed concrete continuous box beam or girders - multiple carrying N57-W60 Connector over SR 57 SR 60 Gldn Spr Drn 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 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 26,000 vehicles a day, roughly 2% of them trucks, projected to reach 31,427 by 2042. The structure is 1,471 ft (448.4 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesN57-W60 Connector
CrossesSR 57 SR 60 Gldn Spr Drn
Location07-LA-057-R4.32R-DMBR
RouteState Highway 57
CountyLos Angeles County
StateCalifornia
Coordinates33.99891, -117.83713
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 inspectionAugust 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6 (+6 approach)
Design loadHS 20
Structure length1,471 ft (448.4 m)
Longest span175 ft (53.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2017)
Projected traffic31,427 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 N57-W60 Connector over SR 57 SR 60 Gldn Spr Drn built?

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

What condition is N57-W60 Connector over SR 57 SR 60 Gldn Spr Drn 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 August 2024.

How much traffic does N57-W60 Connector over SR 57 SR 60 Gldn Spr Drn carry?

About 26,000 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is N57-W60 Connector over SR 57 SR 60 Gldn Spr Drn?

The structure is 1,471 ft (448.4 m) long with a longest span of 175 ft (53.3 m) and a deck 34 ft wide.

Who owns N57-W60 Connector over SR 57 SR 60 Gldn Spr Drn?

It is owned by the State Highway Agency.