Il 43 SB Harlem A over San & Ship Canal
Poor Condition60 years old35,500 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.1 M N I-55 |
| Carries | Il 43 SB Harlem A |
| Crosses | San & Ship Canal |
| Coordinates | 41.80138, -87.80218 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 3 (Serious) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Movable - Bascule |
| Total Length | 448.8 ft (136.8 m) |
| Max Span | 250.7 ft (76.4 m) |
| Deck Width | 50.9 ft (15.5 m) |
| Deck Area | 2120.4 sq m |
| Main Spans | 1 |
| Year Built | 1966 (reconstructed 1970) |
Traffic
| Avg Daily Traffic | 35,500 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016099100000000 |