Il 56 over I-355

Fair Condition38 years old33,000 vehicles/day

Location

StateIllinois
CountyDuPage
Location1 M E Of Il 53
CarriesIl 56
CrossesI-355
Coordinates41.83292, -88.02938

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length307.1 ft (93.6 m)
Max Span87.9 ft (26.8 m)
Deck Width136.2 ft (41.5 m)
Deck Area3884.4 sq m
Main Spans4
Year Built1988

Traffic

Avg Daily Traffic33,000 (2023)
Truck Traffic2%
Lanes On Bridge10
Lanes Under Bridge9

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number022022000000000

Nearby Bridges