S-45-122 over Murray Swamp
FairWilliamsburg County, South Carolina · 3.5 MI SW Andrews · Structure no. 000000000004001
- Built
- 1962
- 63 years old, rebuilt 1989
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 60 ft
- 4 main spans
- Daily traffic
- 225
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-45-122 over Murray Swamp is a concrete slab carrying S-45-122 over Murray Swamp in Williamsburg County, South Carolina. It was built in 1962 and reconstructed in 1989, 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 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 225 vehicles a day, roughly 10% of them trucks, projected to reach 313 by 2043. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-45-122 over Murray Swamp built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1989.
What condition is S-45-122 over Murray 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 October 2024.
How much traffic does S-45-122 over Murray Swamp carry?
About 225 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is S-45-122 over Murray Swamp?
The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-45-122 over Murray Swamp?
It is owned by the State Highway Agency.