L-10-4681 over St. Andrews Canal
FairCharleston County, South Carolina · In Charleston · Structure no. 000000000009593
- Built
- 2001
- 24 years old
- Condition
- Fair
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 210 ft
- 6 main spans
- Daily traffic
- 6,900
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
L-10-4681 over St. Andrews Canal is a prestressed concrete box beam or girders - multiple carrying L-10-4681 over St. Andrews Canal in Charleston County, South Carolina. It was built in 2001, so it is 24 years old, younger 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 6 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 6,900 vehicles a day, roughly 1% of them trucks, projected to reach 9,453 by 2043. The structure is 210 ft (64 m) long and 40 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was L-10-4681 over St. Andrews Canal built?
It was built in 2001, making it 24 years old in 2025.
What condition is L-10-4681 over St. Andrews Canal 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 2023.
How much traffic does L-10-4681 over St. Andrews Canal carry?
About 6,900 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is L-10-4681 over St. Andrews Canal?
The structure is 210 ft (64 m) long with a longest span of 35 ft (10.7 m) and a deck 40 ft wide.
Who owns L-10-4681 over St. Andrews Canal?
It is owned by the County Highway Agency.