US 178 over Lightwood Knot Creek
FairLexington County, South Carolina · 8 MI E of Monetta · Structure no. 000000000001969
- Built
- 1953
- 72 years old
- Condition
- Fair
- inspected January 2024
- Type
- Culvert
- Concrete
- Length
- 43 ft
- 4 main spans
- Daily traffic
- 4,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 178 over Lightwood Knot Creek is a concrete culvert carrying US 178 over Lightwood Knot Creek in Lexington County, South Carolina. It was built in 1953, so it is 72 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 4,700 vehicles a day, roughly 16% of them trucks, projected to reach 7,473 by 2043. The structure is 43 ft (13.1 m) long and 52 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 178 over Lightwood Knot Creek built?
It was built in 1953, making it 72 years old in 2025.
What condition is US 178 over Lightwood Knot 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 January 2024.
How much traffic does US 178 over Lightwood Knot Creek carry?
About 4,700 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is US 178 over Lightwood Knot Creek?
The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 52 ft wide.
Who owns US 178 over Lightwood Knot Creek?
It is owned by the State Highway Agency.