Us018 over Cottonwood Ck
Fair Condition61 years old1,746 vehicles/day
Location
| State | South Dakota |
| County | Tripp |
| Location | 0.5 E Jct US 183n |
| Carries | Us018 |
| Crosses | Cottonwood Ck |
| Coordinates | 43.38643, -100.01762 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 66.9 ft (20.4 m) |
| Max Span | 23.3 ft (7.1 m) |
| Deck Width | 46.6 ft (14.2 m) |
| Deck Area | 289.7 sq m |
| Main Spans | 3 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 1,746 (2024) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000062115270 |