BridgeSafety
Los Angeles County, CA · Structure #53 1949

STATE ROUTE 57

STATE ROUTE 57 in 07-La-057-R10.40-Sdms, Los Angeles County, California received a condition grade of B (68/100). Built in 1971, the bridge carries 149K vehicles daily on STATE ROUTE 57 over Metrolink & Up RR.

B
68/100
68
Condition Score
149K
Daily Traffic
1971
Year Built
37.2m
Length

Component Ratings

DeckFair
5/9

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
Metrolink & Up RR
State
California
County
Los Angeles County
Location
07-La-057-R10.40-Sdms
Year Built
1971
Age
55 years
Daily Traffic
149,000
Lanes
9
Length
37.2 meters
Owner
State Highway Agency
Structure Number
53 1949

About This Bridge

STATE ROUTE 57 is a 55-year-old bridge located 07-La-057-R10.40-Sdms in Los Angeles County, California. The bridge carries STATE ROUTE 57 over Metrolink & Up RR with 9 traffic lanes, handling approximately 149K vehicles per day. Built in 1971, the structure spans 37.2 meters.

The bridge received a Condition Grade of B (68/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

07-La-057-R10.40-Sdms, Los Angeles County, California

34.101083, -117.819167

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Frequently Asked Questions

STATE ROUTE 57 has a Condition Score of 68/100 (Grade B). Its deck is rated 5/9, 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 149K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 37.2 meters long and located on STATE ROUTE 57 in 07-La-057-R10.40-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-R10.40-Sdms in Los Angeles County, California. The bridge carries STATE ROUTE 57 over Metrolink & Up RR. Its coordinates are 34.101083, -117.819167. It is maintained by State Highway Agency.

STATE ROUTE 57 carries STATE ROUTE 57 over Metrolink & Up RR. The bridge is 37.2 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.