Il 171 (archer AVE over Rr - Csxt Spur Argo
Good Condition39 years old28,400 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.1 M S Of 63rd ST |
| Carries | Il 171 (archer AVE |
| Crosses | Rr - Csxt Spur Argo |
| Coordinates | 41.77506, -87.81534 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 69.2 ft (21.1 m) |
| Deck Area | 166.7 sq m |
| Main Spans | 1 |
| Year Built | 1987 (reconstructed 2019) |
Traffic
| Avg Daily Traffic | 28,400 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 222 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016254400000000 |