SR 51
SR 51 in N Side Of Sweetwater Av, Maricopa County, Arizona received a condition grade of F (0/100). Built in 1996, the bridge carries 123K vehicles daily on SR 51 over Sweetwater Channel. It is classified as structurally deficient.
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 30-year-old bridge located N Side Of Sweetwater Av in Maricopa County, Arizona. The bridge carries SR 51 over Sweetwater Channel with 10 traffic lanes, handling approximately 123K vehicles per day. Built in 1996, the structure spans 12.2 meters.
The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below — this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
SR 51 has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.
SR 51 was built in 1996, making it 30 years old. The average bridge age in the United States is 48 years.
SR 51 carries approximately 123K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 12.2 meters long and located on SR 51 in N Side Of Sweetwater Av, Maricopa County, Arizona.
Yes, SR 51 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
SR 51 is located N Side Of Sweetwater Av in Maricopa County, Arizona. The bridge carries SR 51 over Sweetwater Channel. Its coordinates are 33.604500, -112.009500. It is maintained by State Highway Agency.
SR 51 carries SR 51 over Sweetwater Channel. The bridge is 12.2 meters long and was built 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.