US 12 over Nippersink Creek
Fair Condition36 years old11,500 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | Lake/mchenry Co.line |
| Carries | US 12 |
| Crosses | Nippersink Creek |
| Coordinates | 42.41526, -88.19987 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 158.8 ft (48.4 m) |
| Max Span | 55.1 ft (16.8 m) |
| Deck Width | 66.6 ft (20.3 m) |
| Deck Area | 982.5 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 11,500 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056005700000000 |