Posted 3/20/2019 20:56 (#7392095 - in reply to #7385653) Subject: RE: Question about all the flooding in E/Ne Nebraska and washed out bridges
North Central Kansas
It looks like the culverts washed out in the videos may have been victims of "spiral leakage" They even rotated in a couple instances after being washed out.
It's a similar scenario to spiral leakage around a bolt thread under pressure.