Knappie Road over Angostura Main Canal
Fair Condition76 years old15 vehicles/day
Location
| State | South Dakota |
| County | Fall River |
| Location | 5.3s & 2.8e Hot Springs |
| Carries | Knappie Road |
| Crosses | Angostura Main Canal |
| Coordinates | 43.35226, -103.42181 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 35.1 ft (10.7 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 18.7 ft (5.7 m) |
| Deck Area | 61.0 sq m |
| Main Spans | 1 |
| Year Built | 1950 (reconstructed 1989) |
Traffic
| Avg Daily Traffic | 15 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000024320085 |