S-10-20/MAIN RD over Stono River
GoodCharleston County, South Carolina · 9.5 MI W Charleston · Structure no. 000000000002668
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 2,682 ft
- 3 main spans
- Daily traffic
- 28,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-10-20/MAIN RD over Stono River is a steel continuous stringer/multi-beam or girder carrying S-10-20/MAIN RD over Stono River in Charleston County, South Carolina. It was built in 2004, so it is 21 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 28,400 vehicles a day, roughly 7% of them trucks, projected to reach 34,648 by 2043. The structure is 2,682 ft (817.6 m) long and 57 ft wide. If it were closed, the detour would be 16.8 mi (27 km).
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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-10-20/MAIN RD over Stono River built?
It was built in 2004, making it 21 years old in 2025.
What condition is S-10-20/MAIN RD over Stono River 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 June 2023.
How much traffic does S-10-20/MAIN RD over Stono River carry?
About 28,400 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is S-10-20/MAIN RD over Stono River?
The structure is 2,682 ft (817.6 m) long with a longest span of 300 ft (91.4 m) and a deck 57 ft wide.
Who owns S-10-20/MAIN RD over Stono River?
It is owned by the State Highway Agency.