Csah 18 over Black River
Good Condition55 years old145 vehicles/day
Location
| State | Minnesota |
| County | Red Lake |
| Location | 1.2 Mi E Of Jct Csah 3 |
| Carries | Csah 18 |
| Crosses | Black River |
| Coordinates | 47.87749, -96.41054 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 5 (Fair) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 42.0 ft (12.8 m) |
| Max Span | 8.9 ft (2.7 m) |
| Deck Area | 125.4 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 145 (2018) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 92914 |