Il 111 over Macoupin Creek

Fair Condition95 years old900 vehicles/day

Location

StateIllinois
CountyMacoupin
Location7.87m S Jct Il 108
CarriesIl 111
CrossesMacoupin Creek
Coordinates39.20572, -90.09896

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length713.9 ft (217.6 m)
Max Span150.9 ft (46 m)
Deck Width35.1 ft (10.7 m)
Deck Area2328.3 sq m
Main Spans1
Year Built1931 (reconstructed 1982)

Traffic

Avg Daily Traffic900 (2023)
Truck Traffic21%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number059001600000000

Nearby Bridges

Tr 305 over Coop Branch 0.7 mi Good Tr 305 over Macoupin Branch 1.4 mi Fair Tr 307 over Coop Branch 1.6 mi Poor Ch 23 over Macoupin Creek 2.2 mi Fair Tr 90 over Macoupin Creek 2.4 mi Good Tr 303 over Creek 2.4 mi Fair Il 111 over Sugar Creek 2.7 mi Good Tr 325 over Coops CR 3.3 mi Fair Ch 3 over Unknown Creek 3.6 mi Fair Tr 17 over Trib To Macoupin Ck 3.7 mi Good