BridgeSafety
Los Angeles County, CA · Structure #53 1931

STATE ROUTE 57

STATE ROUTE 57 in 07-La-057-R11.15-Sdms, Los Angeles County, California received a condition grade of B (75/100). Built in 1971, the bridge carries 158K vehicles daily on STATE ROUTE 57 over Lacmta & Bnsf Ry.

B
75/100
75
Condition Score
158K
Daily Traffic
1971
Year Built
71.9m
Length

Component Ratings

DeckGood
7/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
STATE ROUTE 57
Crosses Over
Lacmta & Bnsf Ry
State
California
County
Los Angeles County
Location
07-La-057-R11.15-Sdms
Year Built
1971
Age
55 years
Daily Traffic
158,000
Lanes
10
Length
71.9 meters
Owner
State Highway Agency
Structure Number
53 1931

About This Bridge

STATE ROUTE 57 is a 55-year-old bridge located 07-La-057-R11.15-Sdms in Los Angeles County, California. The bridge carries STATE ROUTE 57 over Lacmta & Bnsf Ry with 10 traffic lanes, handling approximately 158K vehicles per day. Built in 1971, the structure spans 71.9 meters.

The bridge received a Condition Grade of B (75/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

07-La-057-R11.15-Sdms, Los Angeles County, California

34.110981, -117.823461

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Frequently Asked Questions

STATE ROUTE 57 has a Condition Score of 75/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

STATE ROUTE 57 was built in 1971, making it 55 years old. The average bridge age in the United States is 48 years.

STATE ROUTE 57 carries approximately 158K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 71.9 meters long and located on STATE ROUTE 57 in 07-La-057-R11.15-Sdms, Los Angeles County, California.

No, STATE ROUTE 57 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

STATE ROUTE 57 is located 07-La-057-R11.15-Sdms in Los Angeles County, California. The bridge carries STATE ROUTE 57 over Lacmta & Bnsf Ry. Its coordinates are 34.110981, -117.823461. It is maintained by State Highway Agency.

STATE ROUTE 57 carries STATE ROUTE 57 over Lacmta & Bnsf Ry. The bridge is 71.9 meters long and was built in 1971.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.