Michigan AVE over Main Br Chicago Riv
Poor Condition106 years old24,300 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 365 N Mchigan AVE |
| Carries | Michigan AVE |
| Crosses | Main Br Chicago Riv |
| Coordinates | 41.88932, -87.62432 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 3 (Serious) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Movable - Bascule |
| Total Length | 367.5 ft (112 m) |
| Max Span | 255.9 ft (78 m) |
| Deck Width | 91.9 ft (28 m) |
| Deck Area | 3,136 sq m |
| Main Spans | 1 |
| Year Built | 1920 (reconstructed 1993) |
Traffic
| Avg Daily Traffic | 24,300 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 016603500000000 |