Il 92 over Rock River

Fair Condition29 years old2,200 vehicles/day

Location

StateIllinois
CountyHenry
LocationHenry/rock Is. Co LN
CarriesIl 92
CrossesRock River
Coordinates41.55598, -90.18479

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1120.4 ft (341.5 m)
Max Span173.9 ft (53 m)
Deck Width35.1 ft (10.7 m)
Deck Area3654.1 sq m
Main Spans7
Year Built1997

Traffic

Avg Daily Traffic2,200 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number037014900000000

Nearby Bridges