Hatch patterns displayed in profile views as part of a pipe or structure style draw on top of the pipe and structure walls. As far as I know there is nothing in the style to fix this and there is no sensible workaround.
It appears to be a known issue from way back.
Example thread from 2006:
https://forums.autodesk.com/t5/civil-3d-forum/pipe-hatch-draworder/td-p/1835867