S Harper Drive over Little Manistee River
Fair Condition47 years old115 vehicles/day
Location
| State | Michigan |
| County | Lake |
| Location | 3 Miles SW Of Irons |
| Carries | S Harper Drive |
| Crosses | Little Manistee River |
| Coordinates | 44.11551, -85.97305 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Box Beam - Multiple |
| Total Length | 51.8 ft (15.8 m) |
| Max Span | 46.9 ft (14.3 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 146.9 sq m |
| Main Spans | 1 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 115 (2007) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005292 |