S-8-718 over Trib to Lake Marion
FairBerkeley County, South Carolina · 15 MI SW St. Stephen · Structure no. 000000000005674
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected September 2023
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-8-718 over Trib to Lake Marion is a concrete slab carrying S-8-718 over Trib to Lake Marion in Berkeley County, South Carolina. It was built in 1970, so it is 55 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 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2043. The structure is 30 ft (9.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-8-718 over Trib to Lake Marion built?
It was built in 1970, making it 55 years old in 2025.
What condition is S-8-718 over Trib to Lake Marion 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 September 2023.
How much traffic does S-8-718 over Trib to Lake Marion carry?
About 250 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-8-718 over Trib to Lake Marion?
The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.
Who owns S-8-718 over Trib to Lake Marion?
It is owned by the State Highway Agency.