S-26-309 over Prince Mill
FairHorry County, South Carolina · 5MI NE Aynor · Structure no. 000000000005557
- Built
- 1969
- 56 years old, rebuilt 2002
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete
- Length
- 60 ft
- 4 main spans
- Daily traffic
- 450
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-26-309 over Prince Mill is a concrete slab carrying S-26-309 over Prince Mill in Horry County, South Carolina. It was built in 1969 and reconstructed in 2002, so it is 56 years old, older than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 450 vehicles a day, roughly 9% of them trucks, projected to reach 576 by 2043. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-26-309 over Prince Mill built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2002.
What condition is S-26-309 over Prince Mill in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does S-26-309 over Prince Mill carry?
About 450 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is S-26-309 over Prince Mill?
The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-26-309 over Prince Mill?
It is owned by the State Highway Agency.