Bridge Condition Trends in Louisiana

Between 2015 and 2025, bridge conditions in Louisiana have improved. The share of bridges rated poor went from 12.7% to 11.2% — a change of -1.5 percentage points.

Condition Summary

YearTotalGoodFairPoorPoor %
201513,0126,7204,6281,65812.7%
202012,8536,1785,0411,63412.7%
202512,6844,8026,4591,42311.2%

Most Improved Counties in Louisiana

CountyPoor % (2015)Poor % (2025)Change
Jefferson10.0%4.2%-5.8 pp
St. Martin13.3%8.5%-4.8 pp
St. Bernard10.5%6.4%-4.1 pp
East Carroll18.9%16.4%-2.5 pp
Lincoln14.8%12.9%-1.9 pp
Bossier16.8%15.2%-1.6 pp
Richland11.3%9.8%-1.5 pp
Madison7.8%6.7%-1.0 pp
West Carroll7.3%6.8%-0.5 pp
St. James4.0%3.8%-0.2 pp

Counties Where Conditions Worsened

CountyPoor % (2015)Poor % (2025)Change
Cameron11.1%24.1%+13.0 pp
Concordia2.4%14.3%+11.8 pp
Bienville17.3%27.9%+10.6 pp
West Feliciana6.9%16.7%+9.8 pp
Iberville4.1%12.5%+8.4 pp
Tangipahoa4.3%12.4%+8.1 pp
Plaquemines12.1%20.0%+7.9 pp
East Feliciana15.9%23.7%+7.8 pp
Acadia1.1%8.2%+7.1 pp
Assumption6.2%13.2%+7.1 pp

View all Louisiana bridges · National trends