U.S. Route 15 in South Carolina

U.S. Route 15 (US 15) is a 158.832-mile (255.615 km) U.S. 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
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
US 17 Alt. in Walterboro
 
North end US 15 at the North Carolina line in McColl
Location
CountiesColleton, Dorchester, Orangeburg, Clarendon, Sumter, Lee, Darlington, Marlboro
Highway system
← SC 14→ SC 16

Route description

Starting at ALT US 17 in Walterboro US 15 runs north as a continuation of Jefferson Boulevard, which was previously designated as Alt US 17 until that route turned east onto Whitman Street. It runs parallel to I-95 intersecting with U.S. 78 in St. George and later one of its auxiliary routes U.S. Route 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 U.S. Route 178, 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. In Santee the two highways merge with I-95 at exit 98 and all three cross Lake Marion. At exit 102, US 15/301 split off from I-95 returning to the former segment of US 15/301, 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, 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 1932-1934, which also existed in North Carolina. Besides being replaced by US 15 part of that route was also replaced by the former US 15A 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.[9] 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.[10]

When I-95 was built across Lake Marion in 1968,[11] US 15 and 301 ran parallel to it until they were relocated in a triple concurrency in 1987.

South Carolina Highway 42

South Carolina Highway 42
LocationSumter–Bishopville, South Carolina
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-95Provides 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, EutawvilleWestern 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 ParkSouthern 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) – SavannahSouthern 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 – FlorenceNorthern end of I-95 concurrency; I-95 exit 102
Summerton57.71292.878 US 301 north – ManningNorthern 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, DarlingtonSouthern terminus of US 401
82.412132.629 US 76 / US 378 – Columbia, Lynchburg, Turbeville
LeeManville96.902155.949 SC 441 south – WoodrowNorthern 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 – BethuneNorthern end of SC 341 concurrency
DarlingtonLydia114.392184.096 SC 34 east / SC 403 south – Darlington, TimmonsvilleNorthern 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 – DarlingtonSouthern end of US 52/US 401 concurrency
135.682218.359 US 52 north – CherawNorthern end of US 52 concurrency
MarlboroDyers Hill142.862229.914 SC 912 north – WallaceSouthern 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 – CherawSouthern 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, DillonNorthern end of SC 9 concurrency
McColl157.172252.944 SC 381 – Clio, Gibson, North Carolina
158.832255.615 US 15 north / US 401 north – LaurinburgContinuation into North Carolina
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also
Main article: Special routes of U.S. Route 15

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. "US15 Lake Marion Bridge". Bridgehunter.com.
  10. "US highway ends in Walterboro, SC". US Ends .com.
  11. "I-95 Lake Marion Bridge (Structuate)". Retrieved 10 October 2014.
KML is not from Wikidata
U.S. Route 15
Previous state:
Terminus		 South Carolina Next state:
North Carolina
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