L-2847/HRBRWATCHWY over Tidal Marsh
GoodCharleston County, South Carolina · Harbour Watch Way · Structure no. 000000000010450
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected July 2023
- Type
- Tee Beam
- Concrete
- Length
- 99 ft
- 3 main spans
- Daily traffic
- 600
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
L-2847/HRBRWATCHWY over Tidal Marsh is a concrete tee beam carrying L-2847/HRBRWATCHWY over Tidal Marsh in Charleston County, South Carolina. It was built in 1990, so it is 35 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 768 by 2043. The structure is 99 ft (30.2 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was L-2847/HRBRWATCHWY over Tidal Marsh built?
It was built in 1990, making it 35 years old in 2025.
What condition is L-2847/HRBRWATCHWY over Tidal Marsh 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 July 2023.
How much traffic does L-2847/HRBRWATCHWY over Tidal Marsh carry?
About 600 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is L-2847/HRBRWATCHWY over Tidal Marsh?
The structure is 99 ft (30.2 m) long with a longest span of 33 ft (10.1 m) and a deck 25 ft wide.
Who owns L-2847/HRBRWATCHWY over Tidal Marsh?
It is owned by the County Highway Agency.