S-4-975 over Trib Three & Twenty Ck
FairAnderson County, South Carolina · 8.1MI NE Pendleton · Structure no. 000000000006611
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected December 2023
- Type
- Slab
- Concrete
- Length
- 45 ft
- 3 main spans
- Daily traffic
- 100
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-4-975 over Trib Three & Twenty Ck is a concrete slab carrying S-4-975 over Trib Three & Twenty Ck in Anderson County, South Carolina. It was built in 1975, so it is 50 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 128 by 2043. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-4-975 over Trib Three & Twenty Ck built?
It was built in 1975, making it 50 years old in 2025.
What condition is S-4-975 over Trib Three & Twenty Ck 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 2023.
How much traffic does S-4-975 over Trib Three & Twenty Ck carry?
About 100 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-4-975 over Trib Three & Twenty Ck?
The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-4-975 over Trib Three & Twenty Ck?
It is owned by the State Highway Agency.