L-5556GREYMARSHRD over Tidal Creek
FairCharleston County, South Carolina · In Mount Pleasant · Structure no. 000000000010456
- Built
- 1999
- 26 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 120 ft
- 4 main spans
- Daily traffic
- 600
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
L-5556GREYMARSHRD over Tidal Creek is a concrete continuous slab carrying L-5556GREYMARSHRD over Tidal Creek in Charleston 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 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 768 by 2043. The structure is 120 ft (36.6 m) long and 36 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 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-5556GREYMARSHRD over Tidal Creek built?
It was built in 1999, making it 26 years old in 2025.
What condition is L-5556GREYMARSHRD over Tidal Creek 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 August 2023.
How much traffic does L-5556GREYMARSHRD over Tidal Creek carry?
About 600 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is L-5556GREYMARSHRD over Tidal Creek?
The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.
Who owns L-5556GREYMARSHRD over Tidal Creek?
It is owned by the County Highway Agency.