SR 51
SR 51 in 11.54 MI North Of I 10, Maricopa County, Arizona received a condition grade of B (78/100). Built in 2000, the bridge carries 142K vehicles daily on SR 51 over Thunderbird Road.
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
SR 51 is a 26-year-old bridge located 11.54 MI North Of I 10 in Maricopa County, Arizona. The bridge carries SR 51 over Thunderbird Road with 8 traffic lanes, handling approximately 142K vehicles per day. Built in 2000, the structure spans 35.7 meters.
The bridge received a Condition Grade of B (78/100) 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
SR 51 has a Condition Score of 78/100 (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.
SR 51 was built in 2000, making it 26 years old. The average bridge age in the United States is 48 years.
SR 51 carries approximately 142K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 35.7 meters long and located on SR 51 in 11.54 MI North Of I 10, Maricopa County, Arizona.
No, SR 51 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
SR 51 is located 11.54 MI North Of I 10 in Maricopa County, Arizona. The bridge carries SR 51 over Thunderbird Road. Its coordinates are 33.611589, -112.009547. It is maintained by State Highway Agency.
SR 51 carries SR 51 over Thunderbird Road. The bridge is 35.7 meters long and was built in 2000.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.