Red Top should be fine being flooded, it tollerates wet conditions well. It doesn't grow as fast as fescue, nor quite as tall. I would keep it mowed the first year ( cut as tall as possible to keep weeds down ) and then only mow it when you want to.
1.5 hours SE of KC huh??? That puts you in the Clinton/Butler area doesn't it??

I'll start treating my wife as good as my dog when she starts retrieving ducks.
http://geocities.com/h20fwlkillr/