IRR Us018 over Trib To Lake Andes
Good Condition21 years old1,298 vehicles/day
Location
| State | South Dakota |
| County | Charles Mix |
| Location | 1.0 E Jct Sd 50 W |
| Carries | IRR Us018 |
| Crosses | Trib To Lake Andes |
| Coordinates | 43.14922, -98.51886 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 21.3 ft (6.5 m) |
| Max Span | 10.5 ft (3.2 m) |
| Deck Area | 87.1 sq m |
| Main Spans | 2 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 1,298 (2024) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 921 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000012394244 |