STATE ROUTE 91
STATE ROUTE 91 in 07-La-091-R9.97-Com, Los Angeles County, California received a condition grade of B (77/100). Built in 1974, the bridge carries 206K vehicles daily on STATE ROUTE 91 over Up RR Mta Blue Line.
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 91 is a 52-year-old bridge located 07-La-091-R9.97-Com in Los Angeles County, California. The bridge carries STATE ROUTE 91 over Up RR Mta Blue Line with 11 traffic lanes, handling approximately 206K vehicles per day. Built in 1974, the structure spans 55.2 meters.
The bridge received a Condition Grade of B (77/100) 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
Frequently Asked Questions
STATE ROUTE 91 has a Condition Score of 77/100 (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 91 was built in 1974, making it 52 years old. The average bridge age in the United States is 48 years.
STATE ROUTE 91 carries approximately 206K vehicles per day (average daily traffic). The bridge has 11 traffic lanes. It is 55.2 meters long and located on STATE ROUTE 91 in 07-La-091-R9.97-Com, Los Angeles County, California.
No, STATE ROUTE 91 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 91 is located 07-La-091-R9.97-Com in Los Angeles County, California. The bridge carries STATE ROUTE 91 over Up RR Mta Blue Line. Its coordinates are 33.873656, -118.221983. It is maintained by State Highway Agency.
STATE ROUTE 91 carries STATE ROUTE 91 over Up RR Mta Blue Line. The bridge is 55.2 meters long and was built in 1974.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.