M-21 Br over Plaster Creek
Fair Condition110 years old16,531 vehicles/day
Location
| State | Michigan |
| County | Kent |
| Location | In Wyoming |
| Carries | M-21 Br |
| Crosses | Plaster Creek |
| Coordinates | 42.93582, -85.68759 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 59.7 ft (18.2 m) |
| Max Span | 59.7 ft (18.2 m) |
| Deck Width | 65.9 ft (20.1 m) |
| Deck Area | 365.8 sq m |
| Main Spans | 1 |
| Year Built | 1916 |
Traffic
| Avg Daily Traffic | 16,531 (2007) |
| Truck Traffic | 10% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000000004853 |