S-31-34 over Black River
FairLee County, South Carolina · 5 MI S of Bishopville · Structure no. 000000000008464
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 120 ft
- 4 main spans
- Daily traffic
- 400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-31-34 over Black River is a concrete continuous slab carrying S-31-34 over Black River in Lee County, South Carolina. It was built in 1991, so it is 34 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 400 vehicles a day, roughly 11% of them trucks, projected to reach 584 by 2043. The structure is 120 ft (36.6 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-31-34 over Black River built?
It was built in 1991, making it 34 years old in 2025.
What condition is S-31-34 over Black River 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 S-31-34 over Black River carry?
About 400 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is S-31-34 over Black River?
The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.
Who owns S-31-34 over Black River?
It is owned by the State Highway Agency.