228 ST over Rock Ck
Poor Condition96 years old20 vehicles/day
Location
| State | South Dakota |
| County | Miner |
| Location | 5.0n & 6.3w Howard |
| Carries | 228 ST |
| Crosses | Rock Ck |
| Coordinates | 44.08109, -97.65611 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 26.6 ft (8.1 m) |
| Max Span | 24.6 ft (7.5 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 50.2 sq m |
| Main Spans | 1 |
| Year Built | 1930 |
Traffic
| Avg Daily Traffic | 20 (2022) |
| Truck Traffic | 2% |
| 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 | 000000049097080 |