Bridge Condition Trends in South Carolina

Between 2015 and 2025, bridge conditions in South Carolina have improved. The share of bridges rated poor went from 9.2% to 6.3% — a change of -2.8 percentage points.

Condition Summary

YearTotalGoodFairPoorPoor %
20159,3444,2504,2388569.2%
20209,4554,1364,5747457.9%
20259,5043,5685,3346026.3%

Most Improved Counties in South Carolina

CountyPoor % (2015)Poor % (2025)Change
Lee15.7%2.2%-13.5 pp
Jasper10.5%1.6%-8.9 pp
Lancaster18.2%9.3%-8.8 pp
Kershaw11.7%4.0%-7.7 pp
Dorchester9.4%2.0%-7.4 pp
Abbeville9.9%2.5%-7.4 pp
Aiken17.2%10.1%-7.1 pp
Edgefield10.8%4.1%-6.7 pp
Colleton8.7%2.6%-6.1 pp
Richland10.7%4.6%-6.1 pp

Counties Where Conditions Worsened

CountyPoor % (2015)Poor % (2025)Change
Oconee4.8%12.6%+7.8 pp
Pickens5.6%12.1%+6.4 pp
Marion2.7%8.9%+6.2 pp
Dillon6.6%10.9%+4.3 pp
Spartanburg6.4%10.1%+3.7 pp
Florence0.4%3.6%+3.3 pp
Williamsburg3.2%6.2%+3.0 pp
Marlboro4.2%7.2%+3.0 pp
Darlington3.7%6.4%+2.7 pp
Union13.5%15.9%+2.4 pp

View all South Carolina bridges · National trends