S-45-104 over Broad Swamp Canal
FairWilliamsburg County, South Carolina · Town of Kingstree · Structure no. 000000000004000
- Built
- 1962
- 63 years old, rebuilt 1997
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 75 ft
- 5 main spans
- Daily traffic
- 1,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-45-104 over Broad Swamp Canal is a concrete slab carrying S-45-104 over Broad Swamp Canal in Williamsburg County, South Carolina. It was built in 1962 and reconstructed in 1997, 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 1,200 vehicles a day, roughly 5% of them trucks, projected to reach 1,536 by 2043. The structure is 75 ft (22.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 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 S-45-104 over Broad Swamp Canal built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1997.
What condition is S-45-104 over Broad Swamp Canal 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-45-104 over Broad Swamp Canal carry?
About 1,200 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-45-104 over Broad Swamp Canal?
The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-45-104 over Broad Swamp Canal?
It is owned by the State Highway Agency.