In 2009, the U.S. Geological Survey and South Dakota Department of Transportation (SDDOT) began a study to estimate potential scour at selected bridges on local government (county, township, and municipal) roads in South Dakota. A rapid scour-estimatio
Thompson, Ryan F. rcthomps@usgs.gov,Wattier, Chelsea M.,Liggett, Richard R.,et al. Estimation of potential scour at bridges on local government roads in South Dakota, 2009-12. 2014-01-01.