Ch-27 (johnson Rd) over Nippersink CR
Poor Condition48 years old300 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 0.6 M NE Durkee RD |
| Carries | Ch-27 (johnson Rd) |
| Crosses | Nippersink CR |
| Coordinates | 42.43642, -88.45818 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 3 (Serious) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 97.4 ft (29.7 m) |
| Max Span | 46.9 ft (14.3 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 234.6 sq m |
| Main Spans | 2 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 300 (2021) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056312800000000 |