I-55 (nb)/ I-72 (e over Il 29 / So Grand AVE

Good Condition63 years old25,400 vehicles/day

Location

StateIllinois
CountySangamon
LocationI-55/IL 29 Int E Spi
CarriesI-55 (nb)/ I-72 (e
CrossesIl 29 / So Grand AVE
Coordinates39.78568, -89.59938

Condition Ratings

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

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length255.2 ft (77.8 m)
Max Span80.1 ft (24.4 m)
Deck Width69.6 ft (21.2 m)
Deck Area1649.4 sq m
Main Spans4
Year Built1963 (reconstructed 1995)

Traffic

Avg Daily Traffic25,400 (2023)
Truck Traffic24%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number084001100000000

Nearby Bridges