Il 31 over Edgewood Ravine

Fair Condition101 years old21,200 vehicles/day

Location

StateIllinois
CountyMcHenry
Location0.5 M S Of Il 62
CarriesIl 31
CrossesEdgewood Ravine
Coordinates42.15801, -88.29716

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length38.1 ft (11.6 m)
Max Span36.7 ft (11.2 m)
Deck Width47.9 ft (14.6 m)
Deck Area169.4 sq m
Main Spans1
Year Built1925 (reconstructed 1986)

Traffic

Avg Daily Traffic21,200 (2023)
Truck Traffic6%
Lanes On Bridge3

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number056001600000000

Nearby Bridges