397th Ave. over Morris Ck
Poor Condition96 years old225 vehicles/day
Location
| State | South Dakota |
| County | Sanborn |
| Location | 7.1s Woonsocket |
| Carries | 397th Ave. |
| Crosses | Morris Ck |
| Coordinates | 43.95146, -98.27146 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 78.2 sq m |
| Main Spans | 1 |
| Year Built | 1930 (reconstructed 1960) |
Traffic
| Avg Daily Traffic | 225 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000056030171 |