I- 90 94 RYAN ELEV
I- 90 94 RYAN ELEV in 1 M N I-55, Cook County, Illinois received a condition grade of C (56/100). Built in 1962, the bridge carries 248K vehicles daily on I- 90 94 RYAN ELEV over 16th To 18th Sts.
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 94 RYAN ELEV is a 64-year-old bridge located 1 M N I-55 in Cook County, Illinois. The bridge carries I- 90 94 RYAN ELEV over 16th To 18th Sts with 12 traffic lanes, handling approximately 248K vehicles per day. Built in 1962 and reconstructed in 1989, the structure spans 287.2 meters.
The bridge received a Condition Grade of C (56/100) based on Federal Highway Administration inspection data. Its deck is rated 5/9 (fair), superstructure 6/9 (fair), and substructure 6/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I- 90 94 RYAN ELEV has a Condition Score of 56/100 (Grade C). Its deck is rated 5/9, superstructure 6/9, and substructure 6/9 on the NBI scale. The bridge is not classified as structurally deficient.
I- 90 94 RYAN ELEV was built in 1962 and reconstructed in 1989, making it 64 years old. The average bridge age in the United States is 48 years.
I- 90 94 RYAN ELEV carries approximately 248K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 287.2 meters long and located on I- 90 94 RYAN ELEV in 1 M N I-55, Cook County, Illinois.
No, I- 90 94 RYAN ELEV 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 94 RYAN ELEV is located 1 M N I-55 in Cook County, Illinois. The bridge carries I- 90 94 RYAN ELEV over 16th To 18th Sts. Its coordinates are 41.859947, -87.644444. It is maintained by State Highway Agency.
I- 90 94 RYAN ELEV carries I- 90 94 RYAN ELEV over 16th To 18th Sts. The bridge is 287.2 meters long and was built in 1962, with reconstruction in 1989.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.