STATE ROUTE 57
STATE ROUTE 57 in 07-La-057-R9.82-Sdms, Los Angeles County, California received a condition grade of B (68/100). Built in 1971, the bridge carries 158K vehicles daily on STATE ROUTE 57 over San Dimas Avenue.
Component Ratings
The riding surface — evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
STATE ROUTE 57 is a 55-year-old bridge located 07-La-057-R9.82-Sdms in Los Angeles County, California. The bridge carries STATE ROUTE 57 over San Dimas Avenue with 8 traffic lanes, handling approximately 158K vehicles per day. Built in 1971, the structure spans 98.5 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
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 158K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 98.5 meters long and located on STATE ROUTE 57 in 07-La-057-R9.82-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-R9.82-Sdms in Los Angeles County, California. The bridge carries STATE ROUTE 57 over San Dimas Avenue. Its coordinates are 34.092897, -117.819256. It is maintained by State Highway Agency.
STATE ROUTE 57 carries STATE ROUTE 57 over San Dimas Avenue. The bridge is 98.5 meters long and was built in 1971.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.