Johnson Road over River Styx Drain
Fair Condition126 years old111 vehicles/day
Location
| State | Michigan |
| County | Gratiot |
| Location | Sec 20-29 Newark Twp |
| Carries | Johnson Road |
| Crosses | River Styx Drain |
| Coordinates | 43.23381, -84.68823 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 23.0 ft (7 m) |
| Max Span | 17.7 ft (5.4 m) |
| Deck Width | 21.0 ft (6.4 m) |
| Deck Area | 44.8 sq m |
| Main Spans | 1 |
| Year Built | 1900 (reconstructed 1971) |
Traffic
| Avg Daily Traffic | 111 (2004) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000003220 |