I-55 SB & Cd#2279 over US 51b (main St)

Fair Condition64 years old15,850 vehicles/day

Location

StateIllinois
CountyMcLean
LocationInter I-55 & US 51b
CarriesI-55 SB & Cd#2279
CrossesUS 51b (main St)
Coordinates40.53881, -88.99618

Condition Ratings

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

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length209.6 ft (63.9 m)
Max Span57.1 ft (17.4 m)
Deck Width120.1 ft (36.6 m)
Deck Area2338.7 sq m
Main Spans4
Year Built1962 (reconstructed 2010)

Traffic

Avg Daily Traffic15,850 (2023)
Truck Traffic24%
Lanes On Bridge5
Lanes Under Bridge4

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number057002500000000

Nearby Bridges