I-155 NB over I-55 SB

Fair Condition53 years old5,300 vehicles/day

Location

StateIllinois
CountyLogan
LocationI-55/155 NW Lincoln
CarriesI-155 NB
CrossesI-55 SB
Coordinates40.17812, -89.41590

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length193.9 ft (59.1 m)
Max Span114.2 ft (34.8 m)
Deck Width42.0 ft (12.8 m)
Deck Area756.5 sq m
Main Spans1
Year Built1973

Traffic

Avg Daily Traffic5,300 (2023)
Truck Traffic19%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number054005000000000

Nearby Bridges