170th Street over James River
Good Condition45 years old55 vehicles/day
Location
| State | South Dakota |
| County | Spink |
| Location | 3n 1.2e Redfield |
| Carries | 170th Street |
| Crosses | James River |
| Coordinates | 44.92593, -98.48505 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 223.1 ft (68 m) |
| Max Span | 85.0 ft (25.9 m) |
| Deck Width | 32.8 ft (10 m) |
| Deck Area | 680 sq m |
| Main Spans | 3 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 55 (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 | 000000058112220 |