US 30 WB over Des Plaines River

Poor Condition93 years old13,600 vehicles/day

Location

StateIllinois
CountyWill
Location0.8 M W Of Il 171
CarriesUS 30 WB
CrossesDes Plaines River
Coordinates41.52775, -88.08564

Condition Ratings

Overall ConditionPoor
Deck5 (Fair)
Superstructure2 (Critical)
Substructure5 (Fair)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignMovable - Bascule
Total Length289.4 ft (88.2 m)
Max Span173.9 ft (53 m)
Deck Width60.0 ft (18.3 m)
Deck Area1614.1 sq m
Main Spans1
Year Built1933 (reconstructed 2025)

Traffic

Avg Daily Traffic13,600 (2023)
Truck Traffic2%
Lanes On Bridge4

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number099010100000000

Nearby Bridges