I-88 over Drainage Ditch

Fair Condition50 years old13,500 vehicles/day

Location

StateIllinois
CountyRock Island
Location5. Mi SW Hillsdale
CarriesI-88
CrossesDrainage Ditch
Coordinates41.57150, -90.22210

Condition Ratings

Overall ConditionFair
Channel/Waterway6 (Satisfactory)
Culvert6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length36.1 ft (11 m)
Max Span17.7 ft (5.4 m)
Deck Area268.4 sq m
Main Spans2
Year Built1976

Traffic

Avg Daily Traffic13,500 (2023)
Truck Traffic29%
Lanes On Bridge4

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number081200700000000

Nearby Bridges