Csah 31 over Vermillion River
Fair Condition52 years old6,945 vehicles/day
Location
| State | Minnesota |
| County | Dakota |
| Location | 0.6 Mi N Of Jct Csah 74 |
| Carries | Csah 31 |
| Crosses | Vermillion River |
| Coordinates | 44.63926, -93.15712 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 131.2 ft (40 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 62.0 ft (18.9 m) |
| Deck Area | 756 sq m |
| Main Spans | 3 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 6,945 (2021) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 19512 |