US 76 over Br of Polk Swamp
FairFlorence County, South Carolina · 7MI E of Florence · Structure no. 000000000002351
- Built
- 1921
- 104 years old, rebuilt 1959
- Condition
- Fair
- inspected December 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 17,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 76 over Br of Polk Swamp is a concrete continuous culvert carrying US 76 over Br of Polk Swamp in Florence County, South Carolina. It was built in 1921 and reconstructed in 1959, so it is 104 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 17,000 vehicles a day, roughly 10% of them trucks, projected to reach 15,130 by 2043. The structure is 21 ft (6.3 m) long and 110 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 76 over Br of Polk Swamp built?
It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1959.
What condition is US 76 over Br of Polk Swamp 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 December 2024.
How much traffic does US 76 over Br of Polk Swamp carry?
About 17,000 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is US 76 over Br of Polk Swamp?
The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 110 ft wide.
Who owns US 76 over Br of Polk Swamp?
It is owned by the State Highway Agency.