Sidney RD (cr 510) over Flat River
Fair Condition95 years old4,593 vehicles/day
Location
| State | Michigan |
| County | Montcalm |
| Location | 0.25 Mi. E. Of Johnson RD |
| Carries | Sidney RD (cr 510) |
| Crosses | Flat River |
| Coordinates | 43.25004, -85.29803 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 60.0 ft (18.3 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 166.5 sq m |
| Main Spans | 1 |
| Year Built | 1931 |
Traffic
| Avg Daily Traffic | 4,593 (2022) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007456 |