I 17
I 17 in 4.0 MI W JCT I 10, Maricopa County, Arizona received a condition grade of B (67/100). Built in 1961, the bridge carries 126K vehicles daily on I 17 over 19th Avenue.
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 is a 65-year-old bridge located 4.0 MI W JCT I 10 in Maricopa County, Arizona. The bridge carries I 17 over 19th Avenue with 6 traffic lanes, handling approximately 126K vehicles per day. Built in 1961 and reconstructed in 1984, the structure spans 31.7 meters.
The bridge received a Condition Grade of B (67/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 6/9 (fair), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I 17 has a Condition Score of 67/100 (Grade B). Its deck is rated 7/9, superstructure 6/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 17 was built in 1961 and reconstructed in 1984, making it 65 years old. The average bridge age in the United States is 48 years.
I 17 carries approximately 126K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 31.7 meters long and located on I 17 in 4.0 MI W JCT I 10, Maricopa County, Arizona.
No, I 17 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 is located 4.0 MI W JCT I 10 in Maricopa County, Arizona. The bridge carries I 17 over 19th Avenue. Its coordinates are 33.428900, -112.099700. It is maintained by State Highway Agency.
I 17 carries I 17 over 19th Avenue. The bridge is 31.7 meters long and was built in 1961, with reconstruction in 1984.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.