Sd1804 over Cow Ck
Good Condition19 years old632 vehicles/day
Location
| State | South Dakota |
| County | Sully |
| Location | 0.4 N Hughes Co Line |
| Carries | Sd1804 |
| Crosses | Cow Ck |
| Coordinates | 44.55529, -100.44637 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 9 (Excellent) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.6 ft (7.5 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 82.5 sq m |
| Main Spans | 2 |
| Year Built | 2007 |
Traffic
| Avg Daily Traffic | 632 (2024) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000060129235 |