30480 391st Street over Mosquito Creek
Poor Condition52 years old48 vehicles/day
Location
| State | South Dakota |
| County | Charles Mix |
| Location | 7.8s & 4.0w Of Wagner |
| Carries | 30480 391st Street |
| Crosses | Mosquito Creek |
| Coordinates | 42.96859, -98.36785 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 36.1 ft (11 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 95.7 sq m |
| Main Spans | 1 |
| Year Built | 1974 |
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 | 000000012470368 |