Mn 78 over Otter Tail River
Fair Condition67 years old4,649 vehicles/day
Location
| State | Minnesota |
| County | Otter Tail |
| Location | 4.9 Mi N Of S Jct TH 108 |
| Carries | Mn 78 |
| Crosses | Otter Tail River |
| Coordinates | 46.47591, -95.57371 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 143.4 ft (43.7 m) |
| Max Span | 46.6 ft (14.2 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 472.0 sq m |
| Main Spans | 3 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 4,649 (2021) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 9406 |