I-55 (sb) over Sangamon AVE / Il 54

Fair Condition63 years old19,650 vehicles/day

Location

StateIllinois
CountySangamon
LocationI-55/IL54 Int NE Spi
CarriesI-55 (sb)
CrossesSangamon AVE / Il 54
Coordinates39.83118, -89.59294

Condition Ratings

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

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length240.5 ft (73.3 m)
Max Span73.2 ft (22.3 m)
Deck Width73.8 ft (22.5 m)
Deck Area1649.2 sq m
Main Spans4
Year Built1963 (reconstructed 1995)

Traffic

Avg Daily Traffic19,650 (2023)
Truck Traffic25%
Lanes On Bridge3
Lanes Under Bridge6

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number084001400000000

Nearby Bridges