IRR; SR 101L
IRR; SR 101L in 4.0 MI N Of JCT 202, Maricopa County, Arizona received a condition grade of B (78/100). Built in 1996, the bridge carries 197K vehicles daily on IRR; SR 101L over Indian School Road.
IRR; SR 101L carries a B on the BridgeSafety Condition Score with 78/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1996, making it 30 years old — past the early-life period but still well within typical service life. Routine inspections and modest repair work are normal for bridges in this age band. IRR; SR 101L carries an average daily traffic count of 196,626 vehicles, with 10 lane(s) crossing Indian School Road. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
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
IRR; SR 101L is a 30-year-old bridge located 4.0 MI N Of JCT 202 in Maricopa County, Arizona. The bridge carries IRR; SR 101L over Indian School Road with 10 traffic lanes, handling approximately 197K vehicles per day. Built in 1996 and reconstructed in 2015, the structure spans 53.9 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
IRR; SR 101L 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.
IRR; SR 101L was built in 1996 and reconstructed in 2015, making it 30 years old. The average bridge age in the United States is 48 years.
IRR; SR 101L carries approximately 197K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 53.9 meters long and located on IRR; SR 101L in 4.0 MI N Of JCT 202, Maricopa County, Arizona.
No, IRR; SR 101L is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
IRR; SR 101L is located 4.0 MI N Of JCT 202 in Maricopa County, Arizona. The bridge carries IRR; SR 101L over Indian School Road. Its coordinates are 33.495100, -111.888000. It is maintained by State Highway Agency.
IRR; SR 101L carries IRR; SR 101L over Indian School Road. The bridge is 53.9 meters long and was built in 1996, with reconstruction in 2015.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.