US 21 Bus over Dye Branch-Ft.Mill
GoodYork County, South Carolina · 1.7 MI S of Fort Mill · Structure no. 000000000009476
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected March 2024
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 9,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 21 Bus over Dye Branch-Ft.Mill is a concrete culvert carrying US 21 Bus over Dye Branch-Ft.Mill in York County, South Carolina. It was built in 1999, so it is 26 years old, younger than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 9,600 vehicles a day, roughly 3% of them trucks, projected to reach 12,768 by 2043. The structure is 21 ft (6.3 m) long.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 21 Bus over Dye Branch-Ft.Mill built?
It was built in 1999, making it 26 years old in 2025.
What condition is US 21 Bus over Dye Branch-Ft.Mill in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does US 21 Bus over Dye Branch-Ft.Mill carry?
About 9,600 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is US 21 Bus over Dye Branch-Ft.Mill?
The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).
Who owns US 21 Bus over Dye Branch-Ft.Mill?
It is owned by the State Highway Agency.