Il 83 NB over I- 55

Good Condition67 years old30,400 vehicles/day

Location

StateIllinois
CountyDuPage
Location1.2 M NW Of Cook Co
CarriesIl 83 NB
CrossesI- 55
Coordinates41.74177, -87.94452

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length342.5 ft (104.4 m)
Max Span92.2 ft (28.1 m)
Deck Width61.4 ft (18.7 m)
Deck Area1952.3 sq m
Main Spans4
Year Built1959 (reconstructed 2001)

Traffic

Avg Daily Traffic30,400 (2023)
Truck Traffic8%
Lanes On Bridge3
Lanes Under Bridge12

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number022005100000000

Nearby Bridges