US 78 over College Park Canal
FairCharleston County, South Carolina · Hanahan · Structure no. 000000000010845
- Built
- 2001
- 24 years old
- Condition
- Fair
- inspected April 2023
- Type
- Culvert
- Concrete
- Length
- 31 ft
- 2 main spans
- Daily traffic
- 49,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 78 over College Park Canal is a concrete culvert carrying US 78 over College Park Canal in Charleston County, South Carolina. It was built in 2001, so it is 24 years old, younger 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 49,300 vehicles a day, roughly 2% of them trucks, projected to reach 70,499 by 2043. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 98.8 mi (159 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 78 over College Park Canal built?
It was built in 2001, making it 24 years old in 2025.
What condition is US 78 over College Park Canal 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 April 2023.
How much traffic does US 78 over College Park Canal carry?
About 49,300 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is US 78 over College Park Canal?
The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m).
Who owns US 78 over College Park Canal?
It is owned by the State Highway Agency.