S-4-57 over Twenty-Three Mile CR
GoodAnderson County, South Carolina · 6.1MI N Pendleton · Structure no. 000000000009489
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected December 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 350
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-4-57 over Twenty-Three Mile CR is a prestressed concrete slab carrying S-4-57 over Twenty-Three Mile CR in Anderson County, South Carolina. It was built in 2000, so it is 25 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 350 vehicles a day, roughly 10% of them trucks, projected to reach 511 by 2043. The structure is 30 ft (9.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-4-57 over Twenty-Three Mile CR built?
It was built in 2000, making it 25 years old in 2025.
What condition is S-4-57 over Twenty-Three Mile CR 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 December 2024.
How much traffic does S-4-57 over Twenty-Three Mile CR carry?
About 350 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is S-4-57 over Twenty-Three Mile CR?
The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.
Who owns S-4-57 over Twenty-Three Mile CR?
It is owned by the State Highway Agency.