Harlem AVE NB Ill over San & Ship Canal
Poor Condition95 years old35,500 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.1 M N I55 |
| Carries | Harlem AVE NB Ill |
| Crosses | San & Ship Canal |
| Coordinates | 41.80138, -87.80218 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Movable - Bascule |
| Total Length | 456.4 ft (139.1 m) |
| Max Span | 224.1 ft (68.3 m) |
| Deck Width | 72.8 ft (22.2 m) |
| Deck Area | 3088.0 sq m |
| Main Spans | 1 |
| Year Built | 1931 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 35,500 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is possibly eligible (requires evaluation) |
| Structure Number | 016031500000000 |