U.S. Route 15 in South Carolina

U.S. Highway 15 (US 15) is a 158.832-mile (255.615 km) United States Numbered Highway in the eastern part of the U.S. state of South Carolina. It is a north–south highway that travels from Walterboro to the North Carolina state line, north-northeast of McColl.

This article is about the section of U.S. Route 15 in South Carolina. For the entire route, see U.S. Route 15.

U.S. Highway 15 marker

U.S. Highway 15

Route of US 15 in South Carolina highlighted in red
Route information
Maintained by SCDOT
Length158.832 mi[1][2][3][4][5][6][7][8] (255.615 km)
Existed1935–present
Major junctions
South end
Major intersections
North end US 15 at the North Carolina line in McColl
Location
CountryUnited States
StateSouth Carolina
CountiesColleton, Dorchester, Orangeburg, Clarendon, Sumter, Lee, Darlington, Marlboro
Highway system
← SC 14→ SC 16

Route description

Starting at US 17 Alternate (US 17 Alt.) in Walterboro US 15 runs north as North Jefferies Boulevard, which was previously designated as US 17 Alt. until that route turned east onto Wichman Street. It runs parallel to Interstate 95 (I-95) intersecting with US 78 in St. George and later one of its auxiliary routes US 178 before it crosses I-26 at a cloverleaf interchange (exit 172) in Harleyville. Then it turns northwest, passing through Wells where it not only intersects US 176, but the western terminus of South Carolina Highway 45. North of that point it crosses I-95 at exit 93. Just before the town of Santee US 15 converges with US 301. As the routes turn east, the roadway continues north as US 15 Connector to service Santee.[9] In Santee, the two highways merge with I-95 at exit 98 and all three cross Lake Marion. At exit 102, US 15/US 301 split off from I-95 returning to the former segment of US 15/US 301, now named St. Paul Road and go into the town of Summerton. US 15 then separates from US 301, remaining on Church Street (while US 301 makes a right turn onto Main Street) and heads mainly north to city of Sumter. From there, it continues north, crosses I-20, and goes through the cities of Bishopville and Hartsville to the town of Society Hill. It is here that US 401 joins US 15 and both go to the North Carolina border.

History

US 15 was extended south into South Carolina in 1935 as an replacement for the second incarnation of US 401 that existed between 1932 and 1934, which also existed in North Carolina. Besides being replaced by US 15, part of that route was also replaced by the former US 15 Alt. between Sumter and Society Hill.

In 1946 the road ran along a new two-lane bridge over Lake Marion along with US 301 with the potential for a second span that was never built.[10] For a brief period from 1950 to 1951, US 15 was extended south from Walterboro through Yemassee and into Pocotaligo along what is today part of US 17 Alt.[11]

When I-95 was built across Lake Marion in 1968,[12] US 15 and US 301 ran parallel to it until they were relocated in a triple concurrency in 1987.[13]

South Carolina Highway 42

South Carolina Highway 42 marker

South Carolina Highway 42

LocationSumter–Bishopville
Existed1922–c. 1926

South Carolina Highway 42 (SC 42) was an original state highway that was established in 1922 from Sumter to Bishopville. In 1925 or 1926, it was decommissioned and redesignated as SC 30. Today, most of its path is part of US 15.

Major intersections
CountyLocationmi[1][2][3][4][5][6][7][8]kmDestinationsNotes
ColletonWalterboro0.0000.000

 US 17 Alt. (North Jefferies Boulevard / Wichman Street) to I-95 – Savannah, Summerville, Charleston, Colleton Museum, Artisans Center		Southern terminus
0.1700.274

 SC 64 Bus. east (Paul Street) – Jacksonboro		Southern end of SC 64 Bus. concurrency
0.5700.917


 SC 64 Bus. west to I-95 – Ehrhardt		Northern end of SC 64 Bus. concurrency
1.2001.931
 SC 64 to I-95		Provides access to Colleton Medical Center and Lowcountry Regional Airport
Canadys11.16017.960 SC 61 – Summerville, Branchville
DorchesterSt. George20.82033.507 US 78 – Dorchester, Branchville
Rosinville26.65042.889 US 178 – Bowman, Harleyville
29.148–
29.150		46.909–
46.912		 I-26 – Orangeburg, SummervilleI-26 exits 172 A-B
Orangeburg​32.65052.545Bunch Ford Road east (SC 314 east)Western terminus of SC 314 and Bunch Ford Road
Wells36.62058.934
 US 176 / SC 45 east – Cameron, Eutawville		Western terminus of SC 45
​39.69063.875 I-95 – Savannah, FlorenceI-95 exit 93
​43.62070.200
 US 301 south / Bass Drive north (US 15 Conn. north) – Orangeburg, Santee, Santee State Park		Southern end of US 301 concurrency; southern terminus of US 15 Conn.; SCHP Patrolman Harry B. Ray Memorial Intersection
​44.608–
44.668		71.790–
71.886
 I-95 south / Five Chop Road (SC 6 Conn. east) – Savannah		Southern end of I-95 concurrency; western terminus of SC 6 Conn. and Five Chop Road; I-95 exit 97
US 15 overlaps with I-95 (exits 97–102)
ClarendonAdams Landing50.31280.969
 I-95 north – Florence		Northern end of I-95 concurrency; I-95 exit 102
Summerton57.71292.878
 US 301 north – Manning		Northern end of US 301 concurrency
57.77292.975Railroad AvenueNorthern terminus of US 15 Conn.; western terminus of Railroad Avenus
Paxville67.122108.022 SC 261 – Pinewood, Manning
SumterSouth Sumter–Sumter line77.552124.808US 15 Conn. northNo access from US 15 to US 15 Conn. or from US 15 Conn. to US 15 north
77.822125.242
 US 521 south (South Guignard Parkway) – Manning, Camden, Central Carolina Technical College, University of South Carolina Sumter
Sumter80.582129.684
 US 76 Bus. – Camden
80.842130.103
 US 401 north – Lamar, Darlington		Southern terminus of US 401
82.412132.629 US 76 / US 378 – Columbia, Lynchburg, Turbeville
LeeManville96.902155.949
 SC 441 south – Woodrow		Northern terminus of SC 441
Bishopville100.582161.871 I-20 – Camden, FlorenceI-20 exit 116
102.172164.430 SC 154 – Dorchester
103.042165.830 SC 34 / SC 341 – Camden, LynchburgSouthern end of SC 34 and SC 341 concurrencies
104.432168.067
 SC 341 north – Bethune		Northern end of SC 341 concurrency
DarlingtonLydia114.392184.096

 SC 34 east / SC 403 south – Darlington, Timmonsville		Northern end of SC 34 concurrency; southern end of SC 403 concurrency
Hartsville117.302188.779 SC 151 – McBee, Darlington
117.972189.858

 US 15 Bus. north – Hartsville		Southern terminus of US 15 Bus.
118.942–
118.966		191.419–
191.457
 SC 151 Bus. – Hartsville, Darlington		Interchange
123.092198.097

 US 15 Bus. south – Hartsville		Northern terminus of US 15 Bus.
Society Hill133.602215.012

 US 52 south / US 401 south – Darlington		Southern end of US 52/US 401 concurrency
135.682218.359
 US 52 north – Cheraw		Northern end of US 52 concurrency
MarlboroDyers Hill142.862229.914
 SC 912 north – Wallace		Southern terminus of SC 912
Bennettsville145.972234.919 SC 385 (West Main Street) – BennettsvilleFormer US 15 Bus.
147.202236.899

 SC 9 south / SC 38 west – Cheraw		Southern end of SC 9 and SC 38 concurrencies
148.132238.395




 SC 9 Bus. north / SC 38 Bus. west / SC 38 east – Marion, Myrtle Beach		Northern end of SC 38 concurrency; southern terminus of SC 9 Bus.; eastern terminus of SC 38 Bus.
149.172240.069
 SC 9 south – North Myrtle Beach, Dillon		Northern end of SC 9 concurrency
McColl157.172252.944 SC 381 – Clio, Gibson, North Carolina
158.832255.615

 US 15 north / US 401 north – Laurinburg		Continuation into North Carolina
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References
  1. "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 30, 2020.
  2. "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 30, 2020.
  3. "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 30, 2020.
  4. "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 30, 2020.
  5. "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 30, 2020.
  6. "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 30, 2020.
  7. "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 30, 2020.
  8. "Highway Logmile Report". South Carolina Department of Transportation. Retrieved December 30, 2020.
  9. "Roadway Information: US 15 Connector". South Carolina Department of Transportation. Retrieved May 11, 2021.
  10. "US15 Lake Marion Bridge". Bridgehunter.com.
  11. "US highway ends in Walterboro, SC". US Ends .com.
  12. "I-95 Lake Marion Bridge (Structuate)". Retrieved October 10, 2014.
  13. Special Committee on U.S. Route Numbering (December 4, 1987). "Route Numbering Committee Agenda" (Report). Washington, DC: American Association of State Highway and Transportation Officials. Retrieved April 1, 2023 – via Wikisource.
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