BridgeSafety
Maricopa County, AZ · Structure #00796

I 17; EFR & WFR

I 17; EFR & WFR in 6.5 MI N JCT US 60, Maricopa County, Arizona received a condition grade of B (60/100). Built in 1947, the bridge carries 206K vehicles daily on I 17; EFR & WFR over Arizona Canal.

I 17; EFR & WFR carries a B on the BridgeSafety Condition Score with 60/100. 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 1947 and is now 79 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 205,563 vehicles, with 12 lane(s) crossing Arizona Canal. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

B
60/100
60
Condition Score
206K
Daily Traffic
1947
Year Built
15.8m
Length

Component Ratings

DeckFair
6/9

The riding surface, evaluated for cracking, spalling, and wear

SuperstructureFair
6/9

Beams, girders, and trusses that support the deck

SubstructureGood
8/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I 17; EFR & WFR
Crosses Over
Arizona Canal
State
Arizona
County
Maricopa County
Location
6.5 MI N JCT US 60
Year Built
1947
Reconstructed
1986
Age
79 years
Daily Traffic
205,563
Lanes
12
Length
15.8 meters
Owner
State Highway Agency
Structure Number
00796

About This Bridge

I 17; EFR & WFR is a 79-year-old bridge located 6.5 MI N JCT US 60 in Maricopa County, Arizona. The bridge carries I 17; EFR & WFR over Arizona Canal with 12 traffic lanes, handling approximately 206K vehicles per day. Built in 1947 and reconstructed in 1986, the structure spans 15.8 meters.

The bridge received a Condition Grade of B (60/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 8/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

6.5 MI N JCT US 60, Maricopa County, Arizona

33.570900, -112.117300

Open in Google Maps →

Frequently Asked Questions

I 17; EFR & WFR has a Condition Score of 60/100 (Grade B). Its deck is rated 6/9, superstructure 6/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.

I 17; EFR & WFR was built in 1947 and reconstructed in 1986, making it 79 years old. The average bridge age in the United States is 48 years.

I 17; EFR & WFR carries approximately 206K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 15.8 meters long and located on I 17; EFR & WFR in 6.5 MI N JCT US 60, 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 6.5 MI N JCT US 60 in Maricopa County, Arizona. The bridge carries I 17; EFR & WFR over Arizona Canal. Its coordinates are 33.570900, -112.117300. It is maintained by State Highway Agency.

I 17; EFR & WFR carries I 17; EFR & WFR over Arizona Canal. The bridge is 15.8 meters long and was built in 1947, with reconstruction in 1986.

Last updated:

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.