I- 90 94 RYAN ELEV
I- 90 94 RYAN ELEV in 0.8 M N I-55, Cook County, Illinois received a condition grade of C (52/100). Built in 1962, the bridge carries 213K vehicles daily on I- 90 94 RYAN ELEV over 18th To 22nd Sts.
I- 90 94 RYAN ELEV carries a C on the BridgeSafety Condition Score with 52/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1962 and is now 64 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 94 RYAN ELEV carries an average daily traffic count of 212,600 vehicles, with 10 lane(s) crossing 18th To 22nd Sts. The owning agency is State Highway Agency; 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 94 RYAN ELEV is a 64-year-old bridge located 0.8 M N I-55 in Cook County, Illinois. The bridge carries I- 90 94 RYAN ELEV over 18th To 22nd Sts with 10 traffic lanes, handling approximately 213K vehicles per day. Built in 1962 and reconstructed in 1989, the structure spans 522.4 meters.
The bridge received a Condition Grade of C (52/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 5/9 (fair), and substructure 5/9 (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 52/100 (Grade C). Its deck is rated 6/9, superstructure 5/9, and substructure 5/9 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 213K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 522.4 meters long and located on I- 90 94 RYAN ELEV in 0.8 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 0.8 M N I-55 in Cook County, Illinois. The bridge carries I- 90 94 RYAN ELEV over 18th To 22nd Sts. Its coordinates are 41.857669, -87.644364. It is maintained by State Highway Agency.
I- 90 94 RYAN ELEV carries I- 90 94 RYAN ELEV over 18th To 22nd Sts. The bridge is 522.4 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.
Source: FHWA National Bridge Inventory, 2026.