Four Corner Road over Luis Ck
Good Condition21 years old14 vehicles/day
Location
| State | South Dakota |
| County | Ziebach |
| Location | 4.0w Bridger |
| Carries | Four Corner Road |
| Crosses | Luis Ck |
| Coordinates | 44.54522, -101.99787 |
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 | 27.9 ft (8.5 m) |
| Max Span | 13.5 ft (4.1 m) |
| Deck Area | 72.2 sq m |
| Main Spans | 2 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 14 (2022) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000069002640 |