I 17; EFR & WFR
I 17; EFR & WFR in 2.6 MI North JCT I 10, Maricopa County, Arizona received a condition grade of B (63/100). Built in 1954, the bridge carries 219K vehicles daily on I 17; EFR & WFR over Grand Canal.
I 17; EFR & WFR carries a B on the BridgeSafety Condition Score with 63/100. 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 1954 and is now 72 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. I 17; EFR & WFR carries an average daily traffic count of 219,478 vehicles, with 12 lane(s) crossing Grand Canal. 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
I 17; EFR & WFR is a 72-year-old bridge located 2.6 MI North JCT I 10 in Maricopa County, Arizona. The bridge carries I 17; EFR & WFR over Grand Canal with 12 traffic lanes, handling approximately 219K vehicles per day. Built in 1954 and reconstructed in 1959, the structure spans 13.1 meters.
The bridge received a Condition Grade of B (63/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I 17; EFR & WFR has a Condition Score of 63/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 17; EFR & WFR was built in 1954 and reconstructed in 1959, making it 72 years old. The average bridge age in the United States is 48 years.
I 17; EFR & WFR carries approximately 219K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 13.1 meters long and located on I 17; EFR & WFR in 2.6 MI North JCT I 10, Maricopa County, Arizona.
No, I 17; EFR & WFR is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I 17; EFR & WFR is located 2.6 MI North JCT I 10 in Maricopa County, Arizona. The bridge carries I 17; EFR & WFR over Grand Canal. Its coordinates are 33.490000, -112.113100. It is maintained by State Highway Agency.
I 17; EFR & WFR carries I 17; EFR & WFR over Grand Canal. The bridge is 13.1 meters long and was built in 1954, with reconstruction in 1959.
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.