Csah 57 over Prairie River
Good Condition48 years old550 vehicles/day
Location
| State | Minnesota |
| County | Itasca |
| Location | 0.4 Mi NE Of Jct Csah 7 |
| Carries | Csah 57 |
| Crosses | Prairie River |
| Coordinates | 47.41984, -93.38368 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 149.9 ft (45.7 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 585.0 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 550 (2017) |
| 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 | 31518 |