I90 EB (NW TOLL)
I90 EB (NW TOLL) in 0.7m E I294 P9, Cook County, Illinois received a condition grade of B (65/100). Built in 1958, the bridge carries 128K vehicles daily on I90 EB (NW TOLL) over Des Plaines Riv.
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
I90 EB (NW TOLL) is a 68-year-old bridge located 0.7m E I294 P9 in Cook County, Illinois. The bridge carries I90 EB (NW TOLL) over Des Plaines Riv with 8 traffic lanes, handling approximately 128K vehicles per day. Built in 1958 and reconstructed in 1974, the structure spans 62.5 meters.
The bridge received a Condition Grade of B (65/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 8/9 (good), and substructure 5/9 (fair).
This bridge is owned and maintained by State Toll Authority.
Location Map
Frequently Asked Questions
I90 EB (NW TOLL) has a Condition Score of 65/100 (Grade B). Its deck is rated 7/9, superstructure 8/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
I90 EB (NW TOLL) was built in 1958 and reconstructed in 1974, making it 68 years old. The average bridge age in the United States is 48 years.
I90 EB (NW TOLL) carries approximately 128K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 62.5 meters long and located on I90 EB (NW TOLL) in 0.7m E I294 P9, Cook County, Illinois.
No, I90 EB (NW TOLL) is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
I90 EB (NW TOLL) is located 0.7m E I294 P9 in Cook County, Illinois. The bridge carries I90 EB (NW TOLL) over Des Plaines Riv. Its coordinates are 41.984983, -87.857031. It is maintained by State Toll Authority.
I90 EB (NW TOLL) carries I90 EB (NW TOLL) over Des Plaines Riv. The bridge is 62.5 meters long and was built in 1958, with reconstruction in 1974.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.