I 10 WB
I 10 WB in JCT Of I 17 And I 10, Maricopa County, Arizona received a condition grade of B (67/100). Built in 1988, the bridge carries 136K vehicles daily on I 10 WB over I17 Ramps City Streets.
I 10 WB carries a B on the BridgeSafety Condition Score with 67/100. 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 1988, making it 38 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. I 10 WB carries an average daily traffic count of 135,909 vehicles, with 4 lane(s) crossing I17 Ramps City Streets. 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 WB is a 38-year-old bridge located JCT Of I 17 And I 10 in Maricopa County, Arizona. The bridge carries I 10 WB over I17 Ramps City Streets with 4 traffic lanes, handling approximately 136K vehicles per day. Built in 1988, the structure spans 2167.4 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 5/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I 10 WB has a Condition Score of 67/100 (Grade B). Its deck is rated 7/9, superstructure 5/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I 10 WB was built in 1988, making it 38 years old. The average bridge age in the United States is 48 years.
I 10 WB carries approximately 136K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 2167.4 meters long and located on I 10 WB in JCT Of I 17 And I 10, Maricopa County, Arizona.
No, I 10 WB 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 WB is located JCT Of I 17 And I 10 in Maricopa County, Arizona. The bridge carries I 10 WB over I17 Ramps City Streets. Its coordinates are 33.462000, -112.114300. It is maintained by State Highway Agency.
I 10 WB carries I 10 WB over I17 Ramps City Streets. The bridge is 2167.4 meters long and was built in 1988.
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.