Ch 16 over Case Creek

Poor Condition43 years old4,450 vehicles/day

Location

StateIllinois
CountyRock Island
Location2 M E Of Milan
CarriesCh 16
CrossesCase Creek
Coordinates41.43746, -90.53047

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure4 (Poor)
Substructure4 (Poor)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length89.9 ft (27.4 m)
Max Span42.0 ft (12.8 m)
Deck Width44.0 ft (13.4 m)
Deck Area367.2 sq m
Main Spans2
Year Built1983

Traffic

Avg Daily Traffic4,450 (2020)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number081309000000000

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