Il 171 (1st Ave) over I-290 Ike - Il 110 Ckc
Poor Condition75 years old24,300 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 1.5 M W Il 43 |
| Carries | Il 171 (1st Ave) |
| Crosses | I-290 Ike - Il 110 Ckc |
| Coordinates | 41.87131, -87.83369 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 209.6 ft (63.9 m) |
| Max Span | 57.4 ft (17.5 m) |
| Deck Width | 65.9 ft (20.1 m) |
| Deck Area | 1284.4 sq m |
| Main Spans | 4 |
| Year Built | 1951 (reconstructed 1984) |
Traffic
| Avg Daily Traffic | 24,300 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016069900000000 |