National Bridge Inventory: South Carolina
• Of the 9,395 bridges in the state, 499, or 5.3 percent, are classified as structurally deficient. This means one of the key elements is in poor or worse condition.
• This is down from 781 bridges classified as structurally deficient in 2017.
• The deck area of structurally deficient bridges accounts for 4.4 percent of total deck area on all structures.
• 17 of the structurally deficient bridges are on the Interstate Highway System. A total of 88.6 percent of the structurally deficient bridges are not on the National Highway System, which includes the Interstate and other key roads linking major airports, ports, rail and truck terminals.
• 1,983 bridges are posted for load, which may restrict the size and weight of vehicles crossing the structure.
• The state has identified needed repairs on 2,042 bridges at an estimated cost of $2.0 billion.
• This compares to 1,591 bridges that needed work in 2017.