Tr 4(acom Rd) over I-72

Fair Condition50 years old50 vehicles/day

Location

StateIllinois
CountyMacon
Location1.5 Mi SW Niantic
CarriesTr 4(acom Rd)
CrossesI-72
Coordinates39.83651, -89.19875

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignBox Beam - Single/Spread
Total Length258.5 ft (78.8 m)
Max Span104.7 ft (31.9 m)
Deck Width29.9 ft (9.1 m)
Deck Area717.1 sq m
Main Spans2
Year Built1976

Traffic

Avg Daily Traffic50 (2020)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number058006000000000

Nearby Bridges