Ill 9 over I-55/I-74

Fair Condition62 years old19,100 vehicles/day

Location

StateIllinois
CountyMcLean
LocationInterchange Ill 9
CarriesIll 9
CrossesI-55/I-74
Coordinates40.48484, -89.02837

Condition Ratings

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

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length268.0 ft (81.7 m)
Max Span87.3 ft (26.6 m)
Deck Width109.6 ft (33.4 m)
Deck Area2728.8 sq m
Main Spans4
Year Built1964 (reconstructed 2003)

Traffic

Avg Daily Traffic19,100 (2023)
Truck Traffic18%
Lanes On Bridge6
Lanes Under Bridge6

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number057008800000000

Nearby Bridges