S-45-629 over Murry Swamp
FairPosted for loadWilliamsburg County, South Carolina · 5 MI NW of Andrews · Structure no. 000000000009971
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected November 2024
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 225
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-45-629 over Murry Swamp is a concrete slab carrying S-45-629 over Murry Swamp in Williamsburg County, South Carolina. It was built in 1977, so it is 48 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 225 vehicles a day, roughly 5% of them trucks, projected to reach 288 by 2043. The structure is 30 ft (9.1 m) long and 32 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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-45-629 over Murry Swamp built?
It was built in 1977, making it 48 years old in 2025.
What condition is S-45-629 over Murry 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 November 2024.
How much traffic does S-45-629 over Murry Swamp carry?
About 225 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-45-629 over Murry Swamp?
The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 32 ft wide.
Who owns S-45-629 over Murry Swamp?
It is owned by the State Highway Agency.