79th ST over Rr - Csxt
Fair Condition70 years old21,300 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.6 M W Il 43 |
| Carries | 79th ST |
| Crosses | Rr - Csxt |
| Coordinates | 41.74787, -87.81002 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 256.6 ft (78.2 m) |
| Max Span | 62.0 ft (18.9 m) |
| Deck Width | 69.6 ft (21.2 m) |
| Deck Area | 1657.8 sq m |
| Main Spans | 5 |
| Year Built | 1956 (reconstructed 2011) |
Traffic
| Avg Daily Traffic | 21,300 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016051900000000 |