Il 171 EB (archer) over 79th ST WB
Good Condition5 years old21,500 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.8 M E US 45 |
| Carries | Il 171 EB (archer) |
| Crosses | 79th ST WB |
| Coordinates | 41.74728, -87.84167 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 88.3 ft (26.9 m) |
| Max Span | 78.7 ft (24 m) |
| Deck Width | 52.8 ft (16.1 m) |
| Deck Area | 433.1 sq m |
| Main Spans | 1 |
| Year Built | 2021 |
Traffic
| Avg Daily Traffic | 21,500 (2022) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 1 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016003800000000 |