Twilight RD over North Fork Sulphur Ck
Fair Condition28 years old28 vehicles/day
Location
| State | South Dakota |
| County | Butte |
| Location | 12 E 13.9 N Newell |
| Carries | Twilight RD |
| Crosses | North Fork Sulphur Ck |
| Coordinates | 44.92260, -103.19890 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 36.3 sq m |
| Main Spans | 2 |
| Year Built | 1998 |
Traffic
| Avg Daily Traffic | 28 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000010421200 |