I-90
I-90 in 0.3 M E Il-72, Cook County, Illinois received a condition grade of F (0/100). Built in 1958, the bridge carries 147K vehicles daily on I-90 over Poplar Creek. It is classified as structurally deficient.
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 is a 68-year-old bridge located 0.3 M E Il-72 in Cook County, Illinois. The bridge carries I-90 over Poplar Creek with 6 traffic lanes, handling approximately 147K vehicles per day. Built in 1958 and reconstructed in 2015, the structure spans 8.1 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 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 was built in 1958 and reconstructed in 2015, making it 68 years old. The average bridge age in the United States is 48 years.
I-90 carries approximately 147K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 8.1 meters long and located on I-90 in 0.3 M E Il-72, Cook County, Illinois.
Yes, I-90 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 is located 0.3 M E Il-72 in Cook County, Illinois. The bridge carries I-90 over Poplar Creek. Its coordinates are 42.066514, -88.154933. It is maintained by State Toll Authority.
I-90 carries I-90 over Poplar Creek. The bridge is 8.1 meters long and was built in 1958, with reconstruction 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.