Il 171 (archer AVE over US 12 20 45 Lagrange
Fair Condition23 years old9,200 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.5 M SW I-294 |
| Carries | Il 171 (archer AVE |
| Crosses | US 12 20 45 Lagrange |
| Coordinates | 41.74370, -87.85207 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 219.2 ft (66.8 m) |
| Max Span | 107.9 ft (32.9 m) |
| Deck Width | 93.2 ft (28.4 m) |
| Deck Area | 1897.1 sq m |
| Main Spans | 2 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 9,200 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 7 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016275600000000 |