US 12 over Nippersink Creek
Fair Condition94 years old9,650 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 4.9 M NW Of Lake Co |
| Carries | US 12 |
| Crosses | Nippersink Creek |
| Coordinates | 42.43983, -88.27622 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 120.1 ft (36.6 m) |
| Max Span | 57.1 ft (17.4 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 483.1 sq m |
| Main Spans | 2 |
| Year Built | 1932 (reconstructed 1990) |
Traffic
| Avg Daily Traffic | 9,650 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
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 | 056001900000000 |