Polk Street over Union Station Tracks
Fair Condition30 years old2,200 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 800s 300w To 500w |
| Carries | Polk Street |
| Crosses | Union Station Tracks |
| Coordinates | 41.87202, -87.63918 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 473.8 ft (144.4 m) |
| Max Span | 82.3 ft (25.1 m) |
| Deck Width | 80.1 ft (24.4 m) |
| Deck Area | 3523.4 sq m |
| Main Spans | 12 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 2,200 (2022) |
| Truck Traffic | 18% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016652300000000 |