US 36(fap 320) over Lake Decatur

Fair Condition71 years old20,900 vehicles/day

Location

StateIllinois
CountyMacon
LocationIn Decatur
CarriesUS 36(fap 320)
CrossesLake Decatur
Coordinates39.83497, -88.91192

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length464.9 ft (141.7 m)
Max Span179.8 ft (54.8 m)
Deck Width69.6 ft (21.2 m)
Deck Area3004.0 sq m
Main Spans3
Year Built1955 (reconstructed 1987)

Traffic

Avg Daily Traffic20,900 (2023)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last Inspection224
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number058002000000000

Nearby Bridges