US Bridges

N57-W210 Connector over W210-S57 Connector Ramp

Good

Los Angeles County, California · 07-LA-057-R11.65L-GDR · Structure no. 53 1992L

Built
1971
54 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
151 ft
1 main span
Daily traffic
92,000
2017 count
Owner
State
State Highway Agency

About this bridge

N57-W210 Connector over W210-S57 Connector Ramp is a prestressed concrete box beam or girders - multiple carrying N57-W210 Connector over W210-S57 Connector Ramp in Los Angeles County, California. It was built in 1971, so it is 54 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 92,000 vehicles a day, roughly 7% of them trucks, projected to reach 122,095 by 2042. The structure is 151 ft (46 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN57-W210 Connector
CrossesW210-S57 Connector Ramp
Location07-LA-057-R11.65L-GDR
RouteState Highway 57
CountyLos Angeles County
StateCalifornia
Coordinates34.11869, -117.82428
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating70 US tons
Inventory rating52.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length151 ft (46 m)
Longest span145 ft (44.2 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92,000 (2017)
Projected traffic122,095 by 2042
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 N57-W210 Connector over W210-S57 Connector Ramp built?

It was built in 1971, making it 54 years old in 2025.

What condition is N57-W210 Connector over W210-S57 Connector 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 September 2024.

How much traffic does N57-W210 Connector over W210-S57 Connector Ramp carry?

About 92,000 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is N57-W210 Connector over W210-S57 Connector Ramp?

The structure is 151 ft (46 m) long with a longest span of 145 ft (44.2 m) and a deck 53 ft wide.

Who owns N57-W210 Connector over W210-S57 Connector Ramp?

It is owned by the State Highway Agency.