IRR Us018 over Stinking Water Ck
Fair Condition78 years old1,130 vehicles/day
Location
| State | South Dakota |
| County | County 102 |
| Location | 4.8 NE Jct Sd 391 |
| Carries | IRR Us018 |
| Crosses | Stinking Water Ck |
| Coordinates | 43.09906, -102.16129 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 31.2 ft (9.5 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 93.1 sq m |
| Main Spans | 3 |
| Year Built | 1948 |
Traffic
| Avg Daily Traffic | 1,130 (2024) |
| Truck Traffic | 13% |
| 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 | 000000057430424 |