I-10
I-10 in 22.1 MI W JCT I 10/I 17, Maricopa County, Arizona received a condition grade of A (89/100). Built in 2009, the bridge carries 157K vehicles daily on I-10 over Bullard Wash.
I-10 carries an A on the BridgeSafety Condition Score with 89/100. Deck, superstructure, and substructure ratings all sit in the better tier of the FHWA NBI distribution. The bridge is structurally sound by federal standards.
The bridge was built in 2009 and is 17 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. I-10 carries an average daily traffic count of 156,996 vehicles, with 12 lane(s) crossing Bullard 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
I-10 is a 17-year-old bridge located 22.1 MI W JCT I 10/I 17 in Maricopa County, Arizona. The bridge carries I-10 over Bullard Wash with 12 traffic lanes, handling approximately 157K vehicles per day. Built in 2009, the structure spans 36 meters.
The bridge received a Condition Grade of A (89/100) based on Federal Highway Administration inspection data. Its deck is rated 8/9 (good), superstructure 8/9 (good), and substructure 8/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I-10 has a Condition Score of 89/100 (Grade A). Its deck is rated 8/9, superstructure 8/9, and substructure 8/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-10 was built in 2009, making it 17 years old. The average bridge age in the United States is 48 years.
I-10 carries approximately 157K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 36 meters long and located on I-10 in 22.1 MI W JCT I 10/I 17, Maricopa County, Arizona.
No, I-10 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-10 is located 22.1 MI W JCT I 10/I 17 in Maricopa County, Arizona. The bridge carries I-10 over Bullard Wash. Its coordinates are 33.461269, -112.384272. It is maintained by State Highway Agency.
I-10 carries I-10 over Bullard Wash. The bridge is 36 meters long and was built in 2009.
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.