21 Mile Road over Us-131
Fair Condition42 years old150 vehicles/day
Location
| State | Michigan |
| County | Mecosta |
| Location | 3 Mi S Of Osceola Co Line |
| Carries | 21 Mile Road |
| Crosses | Us-131 |
| Coordinates | 43.77190, -85.53440 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 346.8 ft (105.7 m) |
| Max Span | 117.8 ft (35.9 m) |
| Deck Width | 39.7 ft (12.1 m) |
| Deck Area | 1279.0 sq m |
| Main Spans | 3 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 150 (1982) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006743 |