I-90/I-90W to I-29
I-90/I-90W to I-29 in 0.2 M E I294 P9, Cook County, Illinois received a condition grade of F (0/100). Built in 1958, the bridge carries 141K vehicles daily on I-90/I-90W to I-29 over Willow Creek. It is classified as structurally deficient.
I-90/I-90W to I-29 carries an F on the BridgeSafety Condition Score with 0/100 — the bottom tier of the FHWA NBI distribution. Component ratings flag the structure for near-term rehabilitation or replacement; the bridge may remain open to traffic but is on the priority list for action.
The bridge was built in 1958 and is now 68 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-90/I-90W to I-29 carries an average daily traffic count of 140,700 vehicles, with 8 lane(s) crossing Willow Creek. 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/I-90W to I-29 is a 68-year-old bridge located 0.2 M E I294 P9 in Cook County, Illinois. The bridge carries I-90/I-90W to I-29 over Willow Creek with 8 traffic lanes, handling approximately 141K vehicles per day. Built in 1958, the structure spans 14.9 meters.
The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below, this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Toll Authority.
Location Map
Frequently Asked Questions
I-90/I-90W to I-29 has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.
I-90/I-90W to I-29 was built in 1958, making it 68 years old. The average bridge age in the United States is 48 years.
I-90/I-90W to I-29 carries approximately 141K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 14.9 meters long and located on I-90/I-90W to I-29 in 0.2 M E I294 P9, Cook County, Illinois.
Yes, I-90/I-90W to I-29 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
I-90/I-90W to I-29 is located 0.2 M E I294 P9 in Cook County, Illinois. The bridge carries I-90/I-90W to I-29 over Willow Creek. Its coordinates are 41.988944, -87.864522. It is maintained by State Toll Authority.
I-90/I-90W to I-29 carries I-90/I-90W to I-29 over Willow Creek. The bridge is 14.9 meters long and was built in 1958.
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.