Il 1 (halsted ST over I- 57
Fair Condition64 years old25,800 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | Halsted & 99th ST |
| Carries | Il 1 (halsted ST |
| Crosses | I- 57 |
| Coordinates | 41.71453, -87.64314 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 169.9 ft (51.8 m) |
| Max Span | 61.7 ft (18.8 m) |
| Deck Width | 107.9 ft (32.9 m) |
| Deck Area | 1704.2 sq m |
| Main Spans | 3 |
| Year Built | 1962 (reconstructed 2004) |
Traffic
| Avg Daily Traffic | 25,800 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 8 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016203600000000 |