I-355 NB & SB over Finley RD & Ramp

Fair Condition37 years old104,200 vehicles/day

Location

StateIllinois
CountyDuPage
Location0.8 M.n. Of Us-34
CarriesI-355 NB & SB
CrossesFinley RD & Ramp
Coordinates41.82076, -88.02840

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length525.9 ft (160.3 m)
Max Span185.0 ft (56.4 m)
Deck Width139.4 ft (42.5 m)
Deck Area6812.8 sq m
Main Spans4
Year Built1989

Traffic

Avg Daily Traffic104,200 (2023)
Truck Traffic14%
Lanes On Bridge7
Lanes Under Bridge2

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Structure Number022996600000000

Nearby Bridges