South Carolina Highway 517

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South Carolina Highway 517 marker

South Carolina Highway 517
Route information
Maintained by SCDOT
Length: 3.84 mi[1] (6.18 km)
Existed: 1993 – present
Major junctions
South end: SC 703 in Isle of Palms
North end: US 17 in Mount Pleasant
Counties: Charleston
Highway system
SC 513 SC 522

South Carolina Highway 517 (SC 517, aka Isle of Palms Connector or Clyde Moultrie Dangerfield Highway) is a 3.8-mile (6.1 km) long state highway in the eastern part of the Charleston, South Carolina metropolitan area. It exists completely within Charleston County, in the southeastern part of the U.S. state of South Carolina. The highway travels in a southeast-northwest orientation from Isle of Palms to Mount Pleasant. Most of the highway consists of the Isle of Palms Connector Bridge.

Route description[edit]

SC 517 begins at an intersection with SC 703 (Palm Boulevard) in Isle of Palms. It passes over the Intracoastal Waterway. The only significant intersection on the route, aside from each terminus, is with Rifle Range Road. The road continues northwest until it meets its northern terminus at US 17 in Mount Pleasant.[2]

The entire length of SC 517 is part of the National Highway System, a system of roadways important to the nation's economy, defense, and mobility.[3]


Established in 1993 as new construction; it included a median lane, which is used during evacuation emergencies. Historically, SC 517 existed once before from 1942-1948; connecting between SC 3, north of Blackville, to SC 5, north of Denmark. Today it is Gardenia Road (S-6-38) and Springfield Road (S-5-29).

Junction list[edit]

The entire route is in Charleston County.

Location mi[1] km Destinations Notes
Isle of Palms 0.00 0.00 SC 703 (Palm Boulevard) / 14th Avenue – Sullivan's Island Southern terminus
Intracoastal Waterway Isle of Palms Connector Bridge
Mount Pleasant 3.84 6.18 US 17 – Charleston, Georgetown Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


  1. ^ a b South Carolina Department of Transportation: Statewide Highways 2012. Specifics: . Files: .
  2. ^ Google (February 2, 2013). "Route of SC 517" (Map). Google Maps. Google. Retrieved February 2, 2013. 
  3. ^ "National Highway System: Charleston--North Charleston, SC" (PDF). United States Department of Transportation. October 1, 2012. Retrieved June 30, 2013. 

External links[edit]

Route map: Google

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