S-45-30 over Black River
FairWilliamsburg County, South Carolina · 7.0 MI SE Kingstree · Structure no. 000000000003997
- Built
- 1962
- 63 years old, rebuilt 1992
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 435 ft
- 29 main spans
- Daily traffic
- 1,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-45-30 over Black River is a concrete slab carrying S-45-30 over Black River in Williamsburg County, South Carolina. It was built in 1962 and reconstructed in 1992, so it is 63 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 5 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 1,000 vehicles a day, roughly 9% of them trucks, projected to reach 1,460 by 2043. The structure is 435 ft (132.6 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-45-30 over Black River built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1992.
What condition is S-45-30 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 October 2024.
How much traffic does S-45-30 over Black River carry?
About 1,000 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is S-45-30 over Black River?
The structure is 435 ft (132.6 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-45-30 over Black River?
It is owned by the State Highway Agency.