Alpine RD over Forest Hills RD

Fair Condition54 years old16,700 vehicles/day

Location

StateIllinois
CountyWinnebago
Location0.2 Mi S Windsor RD
CarriesAlpine RD
CrossesForest Hills RD
Coordinates42.32124, -89.02898

Condition Ratings

Overall ConditionFair
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length251.3 ft (76.6 m)
Max Span70.5 ft (21.5 m)
Deck Width69.2 ft (21.1 m)
Deck Area1616.3 sq m
Main Spans4
Year Built1972 (reconstructed 2021)

Traffic

Avg Daily Traffic16,700 (2022)
Truck Traffic4%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number101306800000000

Nearby Bridges