| 1973 – present|
| US 76 near Marion|
| US 501 Bus. / SC 41 Alt. near Marion|
Marion County, South Carolina
South Carolina Highway 576 (SC 576) is a primary state highway in the state of South Carolina. The 3-mile (4.8 km) highway connects US 76 to US 501, south of Marion.
South Carolina Highway 576 Wikipedia
SC 576 serves to keep the continuation of the four-lane divided highway that travelers get on in Florence to Myrtle Beach and vice versa.
Established in 1973 as new primary routing, connecting between US 76 and US 501/SC 41 Alt; built as a divided four-lane highway, it has remained unchanged since.
The entire route is in Marion County.