I-39 & US 51 NB over Kilbuck Creek

Fair Condition45 years old16,100 vehicles/day

Location

StateIllinois
CountyOgle
Location3 Mi N Of Ill 64
CarriesI-39 & US 51 NB
CrossesKilbuck Creek
Coordinates42.04925, -89.01986

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length457.0 ft (139.3 m)
Max Span70.9 ft (21.6 m)
Deck Width42.0 ft (12.8 m)
Deck Area1783.0 sq m
Main Spans7
Year Built1981

Traffic

Avg Daily Traffic16,100 (2023)
Truck Traffic32%
Lanes On Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number071005300000000

Nearby Bridges