US 278/GRAYS HWY over Bay Swamp
PoorJasper County, South Carolina · 4.0MI SE of Grays · Structure no. 000000000001192
- Built
- 1932
- 93 years old
- Condition
- Poor
- inspected November 2023
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 2,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 278/GRAYS HWY over Bay Swamp is a concrete culvert carrying US 278/GRAYS HWY over Bay Swamp in Jasper County, South Carolina. It was built in 1932, so it is 93 years old, older than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 2,700 vehicles a day, roughly 9% of them trucks, projected to reach 4,293 by 2043. The structure is 23 ft (7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Culvert | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 278/GRAYS HWY over Bay Swamp built?
It was built in 1932, making it 93 years old in 2025.
What condition is US 278/GRAYS HWY over Bay Swamp in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.
How much traffic does US 278/GRAYS HWY over Bay Swamp carry?
About 2,700 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is US 278/GRAYS HWY over Bay Swamp?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.
Who owns US 278/GRAYS HWY over Bay Swamp?
It is owned by the State Highway Agency.