I- 90 94 RYAN ELEV
I- 90 94 RYAN ELEV in 0.3 M N I-55, Cook County, Illinois received a condition grade of C (56/100). Built in 1962, the bridge carries 180K vehicles daily on I- 90 94 RYAN ELEV over 22nd To SB Chi Rvr.
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 0.3 M N I-55 in Cook County, Illinois. The bridge carries I- 90 94 RYAN ELEV over 22nd To SB Chi Rvr with 9 traffic lanes, handling approximately 180K vehicles per day. Built in 1962 and reconstructed in 1989, the structure spans 303.4 meters.
The bridge received a Condition Grade of C (56/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 5/9 (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 6/9, superstructure 5/9, 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 180K vehicles per day (average daily traffic). The bridge has 9 traffic lanes. It is 303.4 meters long and located on I- 90 94 RYAN ELEV in 0.3 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 0.3 M N I-55 in Cook County, Illinois. The bridge carries I- 90 94 RYAN ELEV over 22nd To SB Chi Rvr. Its coordinates are 41.852658, -87.645381. It is maintained by State Highway Agency.
I- 90 94 RYAN ELEV carries I- 90 94 RYAN ELEV over 22nd To SB Chi Rvr. The bridge is 303.4 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.