S-4-29 over Six & Twenty Mile Ck
GoodAnderson County, South Carolina · 6.3MI N Anderson · Structure no. 000000000008963
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 210 ft
- 7 main spans
- Daily traffic
- 5,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-4-29 over Six & Twenty Mile Ck is a concrete continuous slab carrying S-4-29 over Six & Twenty Mile Ck in Anderson County, South Carolina. It was built in 1996, so it is 29 years old, younger than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 6,150 by 2043. The structure is 210 ft (64 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-4-29 over Six & Twenty Mile Ck built?
It was built in 1996, making it 29 years old in 2025.
What condition is S-4-29 over Six & Twenty Mile Ck in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.
How much traffic does S-4-29 over Six & Twenty Mile Ck carry?
About 5,000 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-4-29 over Six & Twenty Mile Ck?
The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.
Who owns S-4-29 over Six & Twenty Mile Ck?
It is owned by the State Highway Agency.