Loop 101 & Ramps
Loop 101 & Ramps in 7.74 MI N JCT I-10, Maricopa County, Arizona received a condition grade of F (0/100). Built in 1987, the bridge carries 132K vehicles daily on Loop 101 & Ramps over 101 Drain 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
Loop 101 & Ramps is a 39-year-old bridge located 7.74 MI N JCT I-10 in Maricopa County, Arizona. The bridge carries Loop 101 & Ramps over 101 Drain Channel with 10 traffic lanes, handling approximately 132K vehicles per day. Built in 1987, the structure spans 31.7 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
Loop 101 & 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.
Loop 101 & Ramps was built in 1987, making it 39 years old. The average bridge age in the United States is 48 years.
Loop 101 & Ramps carries approximately 132K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 31.7 meters long and located on Loop 101 & Ramps in 7.74 MI N JCT I-10, Maricopa County, Arizona.
Yes, Loop 101 & 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.
Loop 101 & Ramps is located 7.74 MI N JCT I-10 in Maricopa County, Arizona. The bridge carries Loop 101 & Ramps over 101 Drain Channel. Its coordinates are 33.547700, -112.270600. It is maintained by State Highway Agency.
Loop 101 & Ramps carries Loop 101 & Ramps over 101 Drain Channel. The bridge is 31.7 meters long and was built in 1987.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.