Csah 21 over Grand Marais CR
Good Condition2 years old163 vehicles/day
Location
| State | Minnesota |
| County | Polk |
| Location | 1.0 Mi E Of Jct Csah 64 |
| Carries | Csah 21 |
| Crosses | Grand Marais CR |
| Coordinates | 48.02077, -97.02331 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 45.6 ft (13.9 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Area | 144.6 sq m |
| Main Spans | 3 |
| Year Built | 2024 |
Traffic
| Avg Daily Traffic | 163 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 60L56 |