17th Av over Silver Creek
Poor Condition77 years old750 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 100 S Il-64 |
| Carries | 17th Av |
| Crosses | Silver Creek |
| Coordinates | 41.90743, -87.85468 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 2 (Critical) |
| Superstructure | 2 (Critical) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 36.1 ft (11 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 58.7 ft (17.9 m) |
| Deck Area | 196.9 sq m |
| Main Spans | 1 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 750 (2022) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016747600000000 |