21 Mile RD over Pine River
Good Condition46 years old44 vehicles/day
Location
| State | Michigan |
| County | Osceola |
| Location | Section 17/20 T20n R10w |
| Carries | 21 Mile RD |
| Crosses | Pine River |
| Coordinates | 44.11780, -85.53630 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Area | 57.0 sq m |
| Main Spans | 1 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 44 (2017) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008621 |