US Bridges

N57-W210 Connector over Lacmta & BNSF RY

Good

Los Angeles County, California · 07-LA-057-R12.18L-GDR · Structure no. 53 1930L

Built
1970
55 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
92,000
2017 count
Owner
State
State Highway Agency

About this bridge

N57-W210 Connector over Lacmta & BNSF RY is a concrete continuous tee beam carrying N57-W210 Connector over Lacmta & BNSF RY in Los Angeles County, California. It was built in 1970, so it is 55 years old, older 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 125 ft (38 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN57-W210 Connector
CrossesLacmta & BNSF RY
Location07-LA-057-R12.18L-GDR
RouteState Highway 57
CountyLos Angeles County
StateCalifornia
Coordinates34.12178, -117.83169
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.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38 m)
Longest span41 ft (12.5 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92,000 (2017)
Projected traffic122,095 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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 Lacmta & BNSF RY built?

It was built in 1970, making it 55 years old in 2025.

What condition is N57-W210 Connector over Lacmta & BNSF RY 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 Lacmta & BNSF RY carry?

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

How long is N57-W210 Connector over Lacmta & BNSF RY?

The structure is 125 ft (38 m) long with a longest span of 41 ft (12.5 m) and a deck 41 ft wide.

Who owns N57-W210 Connector over Lacmta & BNSF RY?

It is owned by the State Highway Agency.