I-355 NB & SB
I-355 NB & SB in 1m.E.Of Il-53, DuPage County, Illinois received a condition grade of B (74/100). Built in 1989, the bridge carries 126K vehicles daily on I-355 NB & SB over Il-38.
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-355 NB & SB is a 37-year-old bridge located 1m.E.Of Il-53 in DuPage County, Illinois. The bridge carries I-355 NB & SB over Il-38 with 6 traffic lanes, handling approximately 126K vehicles per day. Built in 1989, the structure spans 70.7 meters.
The bridge received a Condition Grade of B (74/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Toll Authority.
Location Map
Frequently Asked Questions
I-355 NB & SB has a Condition Score of 74/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
I-355 NB & SB was built in 1989, making it 37 years old. The average bridge age in the United States is 48 years.
I-355 NB & SB carries approximately 126K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 70.7 meters long and located on I-355 NB & SB in 1m.E.Of Il-53, DuPage County, Illinois.
No, I-355 NB & SB 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-355 NB & SB is located 1m.E.Of Il-53 in DuPage County, Illinois. The bridge carries I-355 NB & SB over Il-38. Its coordinates are 41.859336, -88.041647. It is maintained by State Toll Authority.
I-355 NB & SB carries I-355 NB & SB over Il-38. The bridge is 70.7 meters long and was built 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.