Csah 31 over Big Fork River
Good Condition14 years old92 vehicles/day
Location
| State | Minnesota |
| County | Itasca |
| Location | 0.1 Mi N Of Jct Csah 29 |
| Carries | Csah 31 |
| Crosses | Big Fork River |
| Coordinates | 47.73321, -93.96004 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 231.6 ft (70.6 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 762.5 sq m |
| Main Spans | 5 |
| Year Built | 2012 |
Traffic
| Avg Daily Traffic | 92 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 31558 |