BridgeSafety
Los Angeles County, CA · Structure #53 1940

STATE ROUTE 57

STATE ROUTE 57 in 07-La-057-R6.82-Pom, Los Angeles County, California received a condition grade of B (72/100). Built in 1972, the bridge carries 158K vehicles daily on STATE ROUTE 57 over Pomona BLVD.

B
72/100
72
Condition Score
158K
Daily Traffic
1972
Year Built
46.3m
Length

Component Ratings

DeckGood
7/9

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

SuperstructureFair
5/9

Beams, girders, and trusses that support the deck

SubstructureGood
8/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
STATE ROUTE 57
Crosses Over
Pomona BLVD
State
California
County
Los Angeles County
Location
07-La-057-R6.82-Pom
Year Built
1972
Age
54 years
Daily Traffic
158,000
Lanes
10
Length
46.3 meters
Owner
State Highway Agency
Structure Number
53 1940

About This Bridge

STATE ROUTE 57 is a 54-year-old bridge located 07-La-057-R6.82-Pom in Los Angeles County, California. The bridge carries STATE ROUTE 57 over Pomona BLVD with 10 traffic lanes, handling approximately 158K vehicles per day. Built in 1972, the structure spans 46.3 meters.

The bridge received a Condition Grade of B (72/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 5/9 (fair), and substructure 8/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

07-La-057-R6.82-Pom, Los Angeles County, California

34.052825, -117.802403

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Frequently Asked Questions

STATE ROUTE 57 has a Condition Score of 72/100 (Grade B). Its deck is rated 7/9, superstructure 5/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.

STATE ROUTE 57 was built in 1972, making it 54 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 46.3 meters long and located on STATE ROUTE 57 in 07-La-057-R6.82-Pom, 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-R6.82-Pom in Los Angeles County, California. The bridge carries STATE ROUTE 57 over Pomona BLVD. Its coordinates are 34.052825, -117.802403. It is maintained by State Highway Agency.

STATE ROUTE 57 carries STATE ROUTE 57 over Pomona BLVD. The bridge is 46.3 meters long and was built in 1972.

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.