US 30 over I-88

Fair Condition54 years old4,000 vehicles/day

Location

StateIllinois
CountyWhiteside
Location3 Mi East Rock Falls
CarriesUS 30
CrossesI-88
Coordinates41.75808, -89.63742

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length318.9 ft (97.2 m)
Max Span119.1 ft (36.3 m)
Deck Width67.9 ft (20.7 m)
Deck Area2012.0 sq m
Main Spans2
Year Built1972

Traffic

Avg Daily Traffic4,000 (2023)
Truck Traffic17%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number098009100000000

Nearby Bridges