US Bridges

State Route 57 NB over Golden Springs DR

Good

Los Angeles County, California · 07-LA-057-R4.49R-DMBR · Structure no. 53 2149R

Built
1972
53 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
322 ft
2 main spans
Daily traffic
99,000
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 57 NB over Golden Springs DR is a prestressed concrete continuous box beam or girders - multiple carrying State Route 57 NB over Golden Springs DR 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 99,000 vehicles a day, roughly 8% of them trucks, projected to reach 116,766 by 2042. The structure is 322 ft (98.1 m) long and 56 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesState Route 57 NB
CrossesGolden Springs DR
Location07-LA-057-R4.49R-DMBR
RouteState Highway 57
Coordinates34.00125, -117.83461
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 alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length322 ft (98.1 m)
Longest span160 ft (48.8 m)
Deck width56 ft (17.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,000 (2017)
Projected traffic116,766 by 2042
Trucks8%
Lanes on structure3
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 State Route 57 NB over Golden Springs DR built?

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

What condition is State Route 57 NB over Golden Springs DR 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 State Route 57 NB over Golden Springs DR carry?

About 99,000 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is State Route 57 NB over Golden Springs DR?

The structure is 322 ft (98.1 m) long with a longest span of 160 ft (48.8 m) and a deck 56 ft wide.

Who owns State Route 57 NB over Golden Springs DR?

It is owned by the State Highway Agency.