The rail gradually creeps up the trestle. This view shows the rail bender in place on the rail. Bending rail is a slow, tedious process. Some rail is light weight enough to just bend it and spike it down. If you do this, the rail will eventually “walk” as the rail expands and contracts. If you take the time to bend the rail properly, it stays permanently in place. In the fourteen years (as of 2018) that the rail has been in place, Stephen has not had to redo a single section of rail.