101L
101L in 3.7 MI W JCT I-17, Maricopa County, Arizona received a condition grade of F (0/100). Built in 1992, the bridge carries 161K vehicles daily on 101L over Wash. It is classified as structurally deficient.
101L carries an F on the BridgeSafety Condition Score with 0/100 — the bottom tier of the FHWA NBI distribution. Component ratings flag the structure for near-term rehabilitation or replacement; the bridge may remain open to traffic but is on the priority list for action.
The bridge was built in 1992, making it 34 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. 101L carries an average daily traffic count of 161,029 vehicles, with 10 lane(s) crossing Wash. 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
101L is a 34-year-old bridge located 3.7 MI W JCT I-17 in Maricopa County, Arizona. The bridge carries 101L over Wash with 10 traffic lanes, handling approximately 161K vehicles per day. Built in 1992, the structure spans 20.4 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
101L 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.
101L was built in 1992, making it 34 years old. The average bridge age in the United States is 48 years.
101L carries approximately 161K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 20.4 meters long and located on 101L in 3.7 MI W JCT I-17, Maricopa County, Arizona.
Yes, 101L 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.
101L is located 3.7 MI W JCT I-17 in Maricopa County, Arizona. The bridge carries 101L over Wash. Its coordinates are 33.669444, -112.186111. It is maintained by State Highway Agency.
101L carries 101L over Wash. The bridge is 20.4 meters long and was built in 1992.
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.