County RD 21 over Beaver Ck
Good Condition4 years old41 vehicles/day
Location
| State | South Dakota |
| County | Fall River |
| Location | 1.1w & 0.3s Burdock |
| Carries | County RD 21 |
| Crosses | Beaver Ck |
| Coordinates | 43.44914, -104.01588 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 149.9 ft (45.7 m) |
| Max Span | 74.1 ft (22.6 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 425.0 sq m |
| Main Spans | 2 |
| Year Built | 2022 |
Traffic
| Avg Daily Traffic | 41 (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 | 000000024020020 |