303 Avenue over Sand Ck
Fair Condition67 years old71 vehicles/day
Location
| State | South Dakota |
| County | Tripp |
| Location | 1.5e & 0.3n Keyapaha |
| Carries | 303 Avenue |
| Crosses | Sand Ck |
| Coordinates | 43.11654, -100.10718 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 109.9 ft (33.5 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 288.1 sq m |
| Main Spans | 4 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 71 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000062070457 |