Ill 15 over Black Creek

Fair Condition105 years old2,050 vehicles/day

Location

StateIllinois
CountyWashington
Location2.3mi W Of US 51 W Jct
CarriesIll 15
CrossesBlack Creek
Coordinates38.34430, -89.26522

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical7 — Countermeasures installed

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length27.9 ft (8.5 m)
Max Span26.9 ft (8.2 m)
Deck Width33.8 ft (10.3 m)
Deck Area87.5 sq m
Main Spans1
Year Built1921 (reconstructed 1969)

Traffic

Avg Daily Traffic2,050 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number095001500000000

Nearby Bridges