US 501 over Intercoastal Waterway
FairHorry County, South Carolina · 3.0 MI W of Myrtle Beach · Structure no. 000000000004147
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 660 ft
- 3 main spans
- Daily traffic
- 63,800
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 501 over Intercoastal Waterway is a steel continuous stringer/multi-beam or girder carrying US 501 over Intercoastal Waterway in Horry County, South Carolina. It was built in 1963, so it is 62 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 5 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 63,800 vehicles a day, roughly 11% of them trucks, projected to reach 79,750 by 2043. The structure is 660 ft (201.2 m) long and 63 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 over Intercoastal Waterway built?
It was built in 1963, making it 62 years old in 2025.
What condition is US 501 over Intercoastal Waterway 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 November 2024.
How much traffic does US 501 over Intercoastal Waterway carry?
About 63,800 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is US 501 over Intercoastal Waterway?
The structure is 660 ft (201.2 m) long with a longest span of 140 ft (42.7 m) and a deck 63 ft wide.
Who owns US 501 over Intercoastal Waterway?
It is owned by the State Highway Agency.