Ill 3 over Rockhouse Creek

Good Condition31 years old6,950 vehicles/day

Location

StateIllinois
CountyMonroe
Location4 Mi SE Waterloo
CarriesIll 3
CrossesRockhouse Creek
Coordinates38.28322, -90.12390

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length62.7 ft (19.1 m)
Max Span61.0 ft (18.6 m)
Deck Width43.3 ft (13.2 m)
Deck Area252.1 sq m
Main Spans1
Year Built1995

Traffic

Avg Daily Traffic6,950 (2023)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number067004000000000

Nearby Bridges