STATE ROUTE 91
STATE ROUTE 91 in 07-La-091-R16.62-Bfl, Los Angeles County, California received a condition grade of B (74/100). Built in 1968, the bridge carries 242K vehicles daily on STATE ROUTE 91 over San Gabriel River.
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 58-year-old bridge located 07-La-091-R16.62-Bfl in Los Angeles County, California. The bridge carries STATE ROUTE 91 over San Gabriel River with 13 traffic lanes, handling approximately 242K vehicles per day. Built in 1968, the structure spans 84.4 meters.
The bridge received a Condition Grade of B (74/100) 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 74/100 (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 1968, making it 58 years old. The average bridge age in the United States is 48 years.
STATE ROUTE 91 carries approximately 242K vehicles per day (average daily traffic). The bridge has 13 traffic lanes. It is 84.4 meters long and located on STATE ROUTE 91 in 07-La-091-R16.62-Bfl, 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-R16.62-Bfl in Los Angeles County, California. The bridge carries STATE ROUTE 91 over San Gabriel River. Its coordinates are 33.876481, -118.108028. It is maintained by State Highway Agency.
STATE ROUTE 91 carries STATE ROUTE 91 over San Gabriel River. The bridge is 84.4 meters long and was built in 1968.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.