Tr 11 A over Kaskaskia River

Good Condition33 years old75 vehicles/day

Location

StateIllinois
CountyColes
Location4.4 Mi NW Humboldt
CarriesTr 11 A
CrossesKaskaskia River
Coordinates39.65174, -88.37097

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length211.3 ft (64.4 m)
Max Span70.5 ft (21.5 m)
Deck Width27.6 ft (8.4 m)
Deck Area541.0 sq m
Main Spans3
Year Built1993

Traffic

Avg Daily Traffic75 (2024)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number015330400000000

Nearby Bridges