227 ST over Rock Ck
Good Condition33 years old30 vehicles/day
Location
| State | South Dakota |
| County | Miner |
| Location | 6n & 6.3w Howard |
| Carries | 227 ST |
| Crosses | Rock Ck |
| Coordinates | 44.09557, -97.65662 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.6 ft (7.5 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 54.8 sq m |
| Main Spans | 2 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 30 (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 | 000000049097070 |