S-9-47 over Southern Rwy
FairCalhoun County, South Carolina · Town of ST Mathews · Structure no. 000000000004940
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected July 2023
- Type
- Slab
- Concrete
- Length
- 114 ft
- 4 main spans
- Daily traffic
- 700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-9-47 over Southern Rwy is a concrete slab carrying S-9-47 over Southern Rwy in Calhoun County, South Carolina. It was built in 1967, so it is 58 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 700 vehicles a day, roughly 5% of them trucks, projected to reach 896 by 2043. The structure is 114 ft (34.7 m) long and 34 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-9-47 over Southern Rwy built?
It was built in 1967, making it 58 years old in 2025.
What condition is S-9-47 over Southern Rwy 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 July 2023.
How much traffic does S-9-47 over Southern Rwy carry?
About 700 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-9-47 over Southern Rwy?
The structure is 114 ft (34.7 m) long with a longest span of 34 ft (10.4 m) and a deck 34 ft wide.
Who owns S-9-47 over Southern Rwy?
It is owned by the State Highway Agency.