15th AVE over Rock River

Poor Condition46 years old5,750 vehicles/day

Location

StateIllinois
CountyWinnebago
Location0.01 M E Of Main
Carries15th AVE
CrossesRock River
Coordinates42.25106, -89.10311

Condition Ratings

Overall ConditionPoor
Deck5 (Fair)
Superstructure4 (Poor)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length528.9 ft (161.2 m)
Max Span68.9 ft (21 m)
Deck Width76.1 ft (23.2 m)
Deck Area3739.8 sq m
Main Spans8
Year Built1980

Traffic

Avg Daily Traffic5,750 (2022)
Truck Traffic11%
Lanes On Bridge4

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number101613700000000

Nearby Bridges