Csah 31 over ST Louis River
Good Condition36 years old405 vehicles/day
Location
| State | Minnesota |
| County | St. Louis |
| Location | 1.1 Mi N Of Jct TH 2 |
| Carries | Csah 31 |
| Crosses | ST Louis River |
| Coordinates | 46.86977, -92.60320 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 289.7 ft (88.3 m) |
| Max Span | 95.1 ft (29 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 953.6 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 405 (2019) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 69580 |