Erosion Around a Pier: Diagram and 3D animations about how water flows through scour holes, causing bridge collapse.
Scour and Countermeasures: Detailed report by the 1998 European Scanning Summary on the effects of scour on river structures, how to prevent scour and how to deal with scour.
Scour at Bridges - - What's it All About?: Single page with brief explanation of scour, and one photograph.
Stream Stability and Scour Assessment at Bridges in Pennsylvania: Journal article about scour and scour assessment in Pennsylvania, with diagrams and drawings.
The Scour Problem: Discussion about the occurance of scour and how to deal with it. Contains photographs and diagrams.
Using Surface Geophysics for Bridge Scour Detection: Large single page with several photographs and diagrams.