I-90 WB
I-90 WB in 1.2 MI W. US 45, Cook County, Illinois received a condition grade of A (89/100). Built in 2015, the bridge carries 163K vehicles daily on I-90 WB over Touhy Avenue.
I-90 WB 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 2015 and is 11 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-90 WB carries an average daily traffic count of 163,300 vehicles, with 5 lane(s) crossing Touhy Avenue. The owning agency is State Toll Authority; 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-90 WB is a 11-year-old bridge located 1.2 MI W. US 45 in Cook County, Illinois. The bridge carries I-90 WB over Touhy Avenue with 5 traffic lanes, handling approximately 163K vehicles per day. Built in 2015, the structure spans 103.8 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 Toll Authority.
Location Map
Frequently Asked Questions
I-90 WB 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-90 WB was built in 2015, making it 11 years old. The average bridge age in the United States is 48 years.
I-90 WB carries approximately 163K vehicles per day (average daily traffic). The bridge has 5 traffic lanes. It is 103.8 meters long and located on I-90 WB in 1.2 MI W. US 45, Cook County, Illinois.
No, I-90 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-90 WB is located 1.2 MI W. US 45 in Cook County, Illinois. The bridge carries I-90 WB over Touhy Avenue. Its coordinates are 42.008981, -87.904703. It is maintained by State Toll Authority.
I-90 WB carries I-90 WB over Touhy Avenue. The bridge is 103.8 meters long and was built in 2015.
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.