471st Street over Big Sioux Rv
Good Condition6 years old1,305 vehicles/day
Location
| State | South Dakota |
| County | Brookings |
| Location | 7.8s Brookings |
| Carries | 471st Street |
| Crosses | Big Sioux Rv |
| Coordinates | 44.19784, -96.78928 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| 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 | 246.1 ft (75 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 742.5 sq m |
| Main Spans | 4 |
| Year Built | 2020 |
Traffic
| Avg Daily Traffic | 1,305 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000006169238 |