STATE ROUTE 91 WB
STATE ROUTE 91 WB in 12-Ora-091-R14.43l, Orange County, California received a condition grade of B (75/100). Built in 1971, the bridge carries 152K vehicles daily on STATE ROUTE 91 WB over Weir Canyon RD.
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 WB is a 55-year-old bridge located 12-Ora-091-R14.43l in Orange County, California. The bridge carries STATE ROUTE 91 WB over Weir Canyon RD with 8 traffic lanes, handling approximately 152K vehicles per day. Built in 1971 and reconstructed in 1996, the structure spans 46.3 meters.
The bridge received a Condition Grade of B (75/100) 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 WB has a Condition Score of 75/100 (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 WB was built in 1971 and reconstructed in 1996, making it 55 years old. The average bridge age in the United States is 48 years.
STATE ROUTE 91 WB carries approximately 152K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 46.3 meters long and located on STATE ROUTE 91 WB in 12-Ora-091-R14.43l, Orange County, California.
No, STATE ROUTE 91 WB 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 WB is located 12-Ora-091-R14.43l in Orange County, California. The bridge carries STATE ROUTE 91 WB over Weir Canyon RD. Its coordinates are 33.870503, -117.744956. It is maintained by State Highway Agency.
STATE ROUTE 91 WB carries STATE ROUTE 91 WB over Weir Canyon RD. The bridge is 46.3 meters long and was built in 1971, with reconstruction in 1996.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.