Sd044 over Thunder Ck
Good Condition57 years old1,172 vehicles/day
Location
| State | South Dakota |
| County | Tripp |
| Location | 4 E Jct US 18 |
| Carries | Sd044 |
| Crosses | Thunder Ck |
| Coordinates | 43.38608, -99.77454 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 99.4 ft (30.3 m) |
| Max Span | 35.4 ft (10.8 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 393.9 sq m |
| Main Spans | 3 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 1,172 (2024) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2022 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000062238270 |