Ill 161 over Shoal Creek Overflow

Fair Condition91 years old4,250 vehicles/day

Location

StateIllinois
CountyClinton
Location0.6 M E Germantown
CarriesIll 161
CrossesShoal Creek Overflow
Coordinates38.54519, -89.52931

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length451.1 ft (137.5 m)
Max Span50.5 ft (15.4 m)
Deck Width35.1 ft (10.7 m)
Deck Area1471.2 sq m
Main Spans9
Year Built1935 (reconstructed 1990)

Traffic

Avg Daily Traffic4,250 (2023)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number014001000000000

Nearby Bridges