N Clark ST over Main Br Chicago Riv

Poor Condition97 years old6,800 vehicles/day

Location

StateIllinois
CountyCook
Location307 N Clark
CarriesN Clark ST
CrossesMain Br Chicago Riv
Coordinates41.88793, -87.63102

Condition Ratings

Overall ConditionPoor
Deck5 (Fair)
Superstructure4 (Poor)
Substructure4 (Poor)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignMovable - Bascule
Total Length349.1 ft (106.4 m)
Max Span245.4 ft (74.8 m)
Deck Width71.9 ft (21.9 m)
Deck Area2330.2 sq m
Main Spans1
Year Built1929 (reconstructed 1985)

Traffic

Avg Daily Traffic6,800 (2022)
Truck Traffic8%
Lanes On Bridge3

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number016601000000000

Nearby Bridges

Clark ST over Parking Area 0.0 mi Fair N Lasalle ST over Main Br Chicago Rv 0.1 mi Poor Dearborn ST over Main Br Chicago Riv 0.1 mi Fair Dearborn ST over Carrol AVE 0.1 mi Fair Lasalle St. over Parking Area 0.1 mi Poor Lasalle Street over Trolley Car Tunnel 0.1 mi Poor Lasalle Street over Trolley Car Tunnel 0.1 mi Fair N Wells ST over Main Br Chicago Riv 0.2 mi Fair State ST over Main Br Chicago Riv 0.2 mi Poor Wells ST over Parking Area 0.2 mi Fair