Sd073 over Flat Ck
Good Condition31 years old663 vehicles/day
Location
| State | South Dakota |
| County | Perkins |
| Location | 1 N Of Shadehill |
| Carries | Sd073 |
| Crosses | Flat Ck |
| Coordinates | 45.77773, -102.17655 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 116.1 ft (35.4 m) |
| Max Span | 41.3 ft (12.6 m) |
| Deck Width | 38.7 ft (11.8 m) |
| Deck Area | 417.7 sq m |
| Main Spans | 3 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 663 (2024) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 621 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000053380119 |