Dirt Trail over Rock Ck
Poor Condition116 years old5 vehicles/day
Location
| State | South Dakota |
| County | Miner |
| Location | 10s & 11.5w Howard |
| Carries | Dirt Trail |
| Crosses | Rock Ck |
| Coordinates | 43.86423, -97.76046 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 3 (Serious) |
| Substructure | 2 (Critical) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 50.9 ft (15.5 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 17.4 ft (5.3 m) |
| Deck Area | 82.2 sq m |
| Main Spans | 1 |
| Year Built | 1910 |
Traffic
| Avg Daily Traffic | 5 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 708 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 000000049045230 |