(click on the link below to view the diagram file,
not all bridges have a diagram)
Benedict, S.T., and Caldwell, A.W., 2009, Development and evaluation of live-bed pier- and contraction-scour envelope curves in the Coastal Plain and Piedmont Provinces of South Carolina: U.S. Geological Survey Scientific Investigations Report 2009–5099, 108 p.
Benedict, S.T., 2016, Clear-water abutment and contraction scour in the Coastal Plain and Piedmont Provinces of South Carolina, 1996-99: U.S. Geological Survey Water Resources Investigation Report 2003-4064,https://pubs.er.usgs.gov/publication/wri034064.
Benedict, S.T., and Caldwell, A.W., 2016. Development and evaluation of clear-water pier and contraction scour envelope curves in the Coastal Plain and Piedmont Provinces of South Carolina (ver. 1.1, August 2016): U.S. Geological Survey Scientific Investigations Report 2005–5289, 98 p.
USGS - South Atlantic Water Science Center