South Carolina - Your State's Infrastructure At-A-Glance

South Carolina Transportation Facts

Airports
Military Facilities & Other Aerodromes	195
Primary and Commercial Airports	6
Public Use Airports, Seaplane Bases	70
Number of Airports	271
Ports & Waterways
Docks	318
Marinas	27
Number of Waterways	345

The design, construction, and operation of the transportation sector in the state supports 137,371 jobs throughout the economy. This includes direct jobs for work performed, indirect jobs supported by supplier industries, and induced employment when workers spend their wages for other goods and services.
Direct employment includes 5,457 jobs to build and improve transportation infrastructure, plus an additional 37,128 jobs to support system operations and freight transportation.
These workers, employed by 13,412 businesses and agencies, earn over $2 billion per year in wages.

86% of workers in the state commute by driving, with 78% driving alone.
The average commute is 28 minutes one way.
72% of workers both live and work in the same county, with 28% working in a different county or state.

The value of freight shipments to and from businesses in South Carolina will grow from $284 billion in 2023 to $613 billion in 2050, an increase of 116 percent.
Of the $195 billion in domestic trade, 82 percent is shipped by truck.
A total of 62 percent of the value of domestic freight is shipped to businesses located out of state.

There were 1,019 fatal highway crashes in South Carolina in 2022, according to the latest data available from the U.S. Department of Transportation.
These crashes resulted in 1,094 fatalities.
Of the fatal accidents in the state, 56 percent occured on rural roads and 37 percent were on the National Highway System.

The 2021 federal infrastructure law provides South Carolina with $4.96 billion over five years to improve its roadway and bridge infrastructure network. See the Top Federal-Aid Highway Projects
Of the 9,490 bridges in the state, 586, or 6.2 percent, are classified as structurally deficient. This means one of the key elements is in poor or worse condition. Learn More: Bridge Conditions
State highway program revenues in South Carolina were $3.2 billion in 2023, according to the latest data from FHWA.
Roughly 26 percent of all state highway revenues were from the federal government, which by law, must be spent on capital outlays (highway construction, right of way purchases, and planning and design).
On average, 56 percent of state capital outlays in South Carolina are supported by federal funds.

Urban and rural transit agencies in South Carolina reported $242.8 million in revenues in 2023, according to the latest data from the U.S. Federal Transit Administration. Funding sources included fare-box revenue, in addition to support from federal, state, and local governments.
These agencies spent $32.0 million on capital investments and $113.5 million for system operations.
Roughly 43 percent of all transit revenue comes from the federal government.

Major airports in South Carolina received $70.7 million in federal Airport Improvement Program funds in FY 2024, according to data from the Federal Aviation Administration.
In 2024, these airports spent $82.0 million on capital investments to improve terminals, runways, roads, and other airport facilities.
The IIJA provided $25 billion in new funding to support the Facilities and Equipment Program, the Airport Infrastructure Grant Program, and the Airport Terminal Program. This is in addition to $3.75 billion in annual funding for capital improvements under the Airport Improvement Program and supplemental discretionary programs.