51st ST over I- 90 94 Ryan & Cta
Fair Condition64 years old12,700 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 3.2 M S I-55 |
| Carries | 51st ST |
| Crosses | I- 90 94 Ryan & Cta |
| Coordinates | 41.80180, -87.63176 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 276.2 ft (84.2 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 95.1 ft (29 m) |
| Deck Area | 2441.8 sq m |
| Main Spans | 5 |
| Year Built | 1962 (reconstructed 2004) |
Traffic
| Avg Daily Traffic | 12,700 (2022) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 12 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016115700000000 |