Il 56 over Salt Creek

Fair Condition62 years old21,100 vehicles/day

Location

StateIllinois
CountyDuPage
Location.3 M NE Of Il 38
CarriesIl 56
CrossesSalt Creek
Coordinates41.86432, -87.95137

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length117.1 ft (35.7 m)
Max Span55.1 ft (16.8 m)
Deck Width69.9 ft (21.3 m)
Deck Area760.4 sq m
Main Spans2
Year Built1964

Traffic

Avg Daily Traffic21,100 (2023)
Truck Traffic4%
Lanes On Bridge4

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number022008600000000

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