Sd028 over Dolph Ck
Fair Condition77 years old1,233 vehicles/day
Location
| State | South Dakota |
| County | Hamlin |
| Location | 3.7 W Jct Sd 21 N |
| Carries | Sd028 |
| Crosses | Dolph Ck |
| Coordinates | 44.58715, -97.29262 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 66.9 ft (20.4 m) |
| Max Span | 23.3 ft (7.1 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 214.2 sq m |
| Main Spans | 3 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 1,233 (2024) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000029099150 |