M 171 over Otter Tail River
Fair Condition52 years old625 vehicles/day
Location
| State | Minnesota |
| County | Otter Tail |
| Location | 0.6 Mi E Of Concord ST |
| Carries | M 171 |
| Crosses | Otter Tail River |
| Coordinates | 46.28485, -96.04942 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Channel Beam |
| Total Length | 93.2 ft (28.4 m) |
| Max Span | 31.2 ft (9.5 m) |
| Deck Width | 38.7 ft (11.8 m) |
| Deck Area | 335.1 sq m |
| Main Spans | 3 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 625 (1989) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 56518 |