314 Avenue over Keyapaha Rv
Good Condition46 years old39 vehicles/day
Location
| State | South Dakota |
| County | Tripp |
| Location | 4e & 1s Millboro |
| Carries | 314 Avenue |
| Crosses | Keyapaha Rv |
| Coordinates | 43.06333, -99.88983 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 119.1 ft (36.3 m) |
| Max Span | 44.9 ft (13.7 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 341.2 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 39 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000062180493 |