US 501 Byp over Waccamaw River
PoorHorry County, South Carolina · 2.0 MI SE of Conway · Structure no. 000000000002753
- Built
- 1958
- 67 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,110 ft
- 3 main spans
- Daily traffic
- 56,800
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 501 Byp over Waccamaw River is a steel continuous stringer/multi-beam or girder carrying US 501 Byp over Waccamaw River in Horry County, South Carolina. It was built in 1958, so it is 67 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 4 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 56,800 vehicles a day, roughly 6% of them trucks, projected to reach 71,000 by 2043. The structure is 1,110 ft (338.3 m) long and 62 ft wide. If it were closed, the detour would be 32.9 mi (53 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 |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 501 Byp over Waccamaw River built?
It was built in 1958, making it 67 years old in 2025.
What condition is US 501 Byp over Waccamaw River 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 2024.
How much traffic does US 501 Byp over Waccamaw River carry?
About 56,800 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is US 501 Byp over Waccamaw River?
The structure is 1,110 ft (338.3 m) long with a longest span of 80 ft (24.4 m) and a deck 62 ft wide.
Who owns US 501 Byp over Waccamaw River?
It is owned by the State Highway Agency.