SR 51 and Ramps
SR 51 and Ramps in 6.98 MI N Of I 10, Maricopa County, Arizona received a condition grade of F (0/100). Built in 1991, the bridge carries 159K vehicles daily on SR 51 and Ramps over Dreamy Draw. 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 and Ramps is a 35-year-old bridge located 6.98 MI N Of I 10 in Maricopa County, Arizona. The bridge carries SR 51 and Ramps over Dreamy Draw with 10 traffic lanes, handling approximately 159K vehicles per day. Built in 1991, the structure spans 6.7 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 and Ramps 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 and Ramps was built in 1991, making it 35 years old. The average bridge age in the United States is 48 years.
SR 51 and Ramps carries approximately 159K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 6.7 meters long and located on SR 51 and Ramps in 6.98 MI N Of I 10, Maricopa County, Arizona.
Yes, SR 51 and Ramps 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 and Ramps is located 6.98 MI N Of I 10 in Maricopa County, Arizona. The bridge carries SR 51 and Ramps over Dreamy Draw. Its coordinates are 33.557700, -112.038100. It is maintained by State Highway Agency.
SR 51 and Ramps carries SR 51 and Ramps over Dreamy Draw. The bridge is 6.7 meters long and was built in 1991.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.