US 12 over N Br Nippersink Crk
Poor Condition36 years old8,250 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 0.5 M S E Of Il 31 |
| Carries | US 12 |
| Crosses | N Br Nippersink Crk |
| Coordinates | 42.45087, -88.29958 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 130.6 ft (39.8 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 525.4 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 8,250 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056005600000000 |