US 1 over Twelve Mile Creek
FairLexington County, South Carolina · Town of Lexington · Structure no. 000000000000354
- Built
- 1929
- 96 years old
- Condition
- Fair
- inspected October 2023
- Type
- Culvert
- Concrete
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 29,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 1 over Twelve Mile Creek is a concrete culvert carrying US 1 over Twelve Mile Creek in Lexington County, South Carolina. It was built in 1929, so it is 96 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 29,500 vehicles a day, roughly 3% of them trucks, projected to reach 46,315 by 2043. The structure is 27 ft (8.2 m) long and 70 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 1 over Twelve Mile Creek built?
It was built in 1929, making it 96 years old in 2025.
What condition is US 1 over Twelve Mile Creek 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 October 2023.
How much traffic does US 1 over Twelve Mile Creek carry?
About 29,500 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is US 1 over Twelve Mile Creek?
The structure is 27 ft (8.2 m) long with a longest span of 9 ft (2.7 m) and a deck 70 ft wide.
Who owns US 1 over Twelve Mile Creek?
It is owned by the State Highway Agency.