I- 55 Stevenson over Des Plaines River

Fair Condition26 years old142,000 vehicles/day

Location

StateIllinois
CountyCook
Location0.9 M E Of US 45
CarriesI- 55 Stevenson
CrossesDes Plaines River
Coordinates41.76358, -87.85369

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 Length702.8 ft (214.2 m)
Max Span172.9 ft (52.7 m)
Deck Width138.8 ft (42.3 m)
Deck Area9060.7 sq m
Main Spans5
Year Built2000 (reconstructed 2002)

Traffic

Avg Daily Traffic142,000 (2024)
Truck Traffic10%
Lanes On Bridge6
Lanes Under Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number016270400000000

Nearby Bridges

I- 55 EB Stevenson over Rr - Bnsf 0.2 mi Poor I- 55 WB Stevenson over Rr - Bnsf 0.3 mi Poor I- 55 WB Stevenson over Santa Fe DR 0.3 mi Poor I- 55 EB Stevenson over Santa Fe DR 0.3 mi Fair Leon Cook/river 71 over Bn Sf Rr 0.3 mi Good I- 55 WB Stevenson over Rr - Bnsf 0.4 mi Poor I- 55 EB Stevenson over Rr - Bnsf 0.4 mi Poor US 12 20 45 Lagran over I- 55 Stevenson 0.7 mi Good US 12 20 45 SB over Santa Fe DR Et Al 0.8 mi Fair US 12 20 45 NB over Santa Fe DR Et Al 0.8 mi Fair