Il 43 NB (harlem) over Rr - Cn
Fair Condition95 years old39,000 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.1 M S I-55 |
| Carries | Il 43 NB (harlem) |
| Crosses | Rr - Cn |
| Coordinates | 41.79814, -87.80208 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 217.8 ft (66.4 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 55.4 ft (16.9 m) |
| Deck Area | 1122.2 sq m |
| Main Spans | 4 |
| Year Built | 1931 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 39,000 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016031800000000 |