38580 300th Street over Marty Mission Spillway
Fair Condition89 years old48 vehicles/day
Location
| State | South Dakota |
| County | Charles Mix |
| Location | 6.9s & 2.2w Of Ravina |
| Carries | 38580 300th Street |
| Crosses | Marty Mission Spillway |
| Coordinates | 43.04056, -98.47059 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 71.5 sq m |
| Main Spans | 1 |
| Year Built | 1937 (reconstructed 1985) |
Traffic
| Avg Daily Traffic | 48 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000012418319 |