I- 55
I- 55 in 1.5 M NW Of Will Co, DuPage County, Illinois received a condition grade of A (100/100). Built in 2022, the bridge carries 131K vehicles daily on I- 55 over Lemont RD.
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- 55 is a 4-year-old bridge located 1.5 M NW Of Will Co in DuPage County, Illinois. The bridge carries I- 55 over Lemont RD with 8 traffic lanes, handling approximately 131K vehicles per day. Built in 2022, the structure spans 61 meters.
The bridge received a Condition Grade of A (100/100) based on Federal Highway Administration inspection data. Its deck is rated 9/9 (good), superstructure 9/9 (good), and substructure 9/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
I- 55 has a Condition Score of 100/100 (Grade A). Its deck is rated 9/9, superstructure 9/9, and substructure 9/9 on the NBI scale. The bridge is not classified as structurally deficient.
I- 55 was built in 2022, making it 4 years old. The average bridge age in the United States is 48 years.
I- 55 carries approximately 131K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 61 meters long and located on I- 55 in 1.5 M NW Of Will Co, DuPage County, Illinois.
No, I- 55 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- 55 is located 1.5 M NW Of Will Co in DuPage County, Illinois. The bridge carries I- 55 over Lemont RD. Its coordinates are 41.716292, -88.007558. It is maintained by State Highway Agency.
I- 55 carries I- 55 over Lemont RD. The bridge is 61 meters long and was built in 2022.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.