South Carolina

Top Three Infrastructure Concerns:

  1. Roads
  2. Bridges
  3. Schools

Key Infrastructure Facts

  • 23% of South Carolina’s bridges are structurally deficient or functionally obsolete.
  • There are 153 high hazard dams in South Carolina. A high hazard dam is defined as a dam whose failure would cause a loss of life and significant property damage.
  • 6 of South Carolina’s 2,317 dams are in need of rehabilitation to meet applicable state dam safety standards.
  • South Carolina’s drinking water infrastructure needs an investment of $1.25 billion over the next 20 years.
  • South Carolina ranked 22nd in the quantity of hazardous waste produced and 19th in the total number of hazardous waste producers.
  • South Carolina’s ports handled 27 million tons of waterborne traffic in 2005, ranking it 28th in the nation.
  • South Carolina reported an unmet need of $300 million for its state public outdoor recreation facilities and parkland acquisition.
  • 28% of South Carolina’s major roads are in poor or mediocre condition.
  • Vehicle travel on South Carolina’s highways increased 41% from 1990 to 2007.
  • South Carolina has $698 million in wastewater infrastructure needs.


*Survey of the state’s ASCE members conducted in September 2008

Deficient Bridge Report, Federal Highway Administration, 2008.
National Inventory of Dams, U.S. Army Corps of Engineers, 2008.
Drinking Water Needs Survey and Assessment, Environmental Protection Agency, 2003.
National Biennial RCRA Hazardous Waste Report, Environmental Protection Agency, 2007.
The U.S. Waterway System – Transportation Facts, Navigation Data Center, U.S Army Corps of Engineers, February 2007.
2007 Annual Report, Land and Water Conservation Fund State Assistance Program, National Park Service.
TRIP Fact Sheet, March 2009.
Clean Water Needs Survey, Environmental Protection Agency, 2004.