US 12 over Nippersink CR Overfl
Poor Condition87 years old11,500 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 0.3 M N Of Co Line |
| Carries | US 12 |
| Crosses | Nippersink CR Overfl |
| Coordinates | 42.41555, -88.20466 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 190.0 ft (57.9 m) |
| Max Span | 73.2 ft (22.3 m) |
| Deck Width | 66.6 ft (20.3 m) |
| Deck Area | 1175.4 sq m |
| Main Spans | 3 |
| Year Built | 1939 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 11,500 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056002000000000 |