Tr 78 over Kaskaskia River Trib

Fair Condition66 years old75 vehicles/day

Location

StateIllinois
CountyColes
Location2.5 Mi NW Humboldt
CarriesTr 78
CrossesKaskaskia River Trib
Coordinates39.64266, -88.34057

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway5 (Fair)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length27.9 ft (8.5 m)
Max Span26.9 ft (8.2 m)
Deck Width21.0 ft (6.4 m)
Deck Area54.4 sq m
Main Spans1
Year Built1960

Traffic

Avg Daily Traffic75 (2024)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number015309400000000

Nearby Bridges