29280 431st Avenue over James River
Poor Condition67 years old315 vehicles/day
Location
| State | South Dakota |
| County | Yankton |
| Location | 7.2n & 1e Of Lesterville |
| Carries | 29280 431st Avenue |
| Crosses | James River |
| Coordinates | 43.14472, -97.57730 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 371.7 ft (113.3 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 906.4 sq m |
| Main Spans | 5 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 315 (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 | 000000068030018 |