S-43-59 over Three Mile Branch
GoodSumter County, South Carolina · 9 MI SE Mayesville · Structure no. 000000000003992
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 125
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-43-59 over Three Mile Branch is a prestressed concrete slab carrying S-43-59 over Three Mile Branch in Sumter County, South Carolina. It was built in 2003, so it is 22 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 125 vehicles a day, roughly 25% of them trucks, projected to reach 174 by 2043. The structure is 60 ft (18.3 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 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-43-59 over Three Mile Branch built?
It was built in 2003, making it 22 years old in 2025.
What condition is S-43-59 over Three Mile Branch 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 June 2023.
How much traffic does S-43-59 over Three Mile Branch carry?
About 125 vehicles per day (2023 count), of which roughly 25% are trucks.
How long is S-43-59 over Three Mile Branch?
The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 37 ft wide.
Who owns S-43-59 over Three Mile Branch?
It is owned by the State Highway Agency.