STATE ROUTE 57
STATE ROUTE 57 in 07-La-057-R7.30-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 San Jose Fld Cntrl Chnnl.
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 54-year-old bridge located 07-La-057-R7.30-Pom in Los Angeles County, California. The bridge carries STATE ROUTE 57 over San Jose Fld Cntrl Chnnl with 6 traffic lanes, handling approximately 158K vehicles per day. Built in 1972, the structure spans 91.1 meters.
The bridge received a Condition Grade of B (72/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (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 72/100 (Grade B). Its deck is rated 6/9, 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 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 6 traffic lanes. It is 91.1 meters long and located on STATE ROUTE 57 in 07-La-057-R7.30-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-R7.30-Pom in Los Angeles County, California. The bridge carries STATE ROUTE 57 over San Jose Fld Cntrl Chnnl. Its coordinates are 34.059394, -117.804522. It is maintained by State Highway Agency.
STATE ROUTE 57 carries STATE ROUTE 57 over San Jose Fld Cntrl Chnnl. The bridge is 91.1 meters long and was built in 1972.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.