Ill 161 over Wilken Lake
Fair Condition91 years old4,250 vehicles/day
Location
| State | Illinois |
| County | Clinton |
| Location | 0.5 M E Germantown |
| Carries | Ill 161 |
| Crosses | Wilken Lake |
| Coordinates | 38.54821, -89.53194 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 399.0 ft (121.6 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 1301.1 sq m |
| Main Spans | 8 |
| Year Built | 1935 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 4,250 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
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 | 014000900000000 |