So AiG thinks it will float? Then float it! Not going to float it? Then don't claim it floats!
Strangely, Kentucky is well known for its floods. I've seen one there with wooden houses afloat. Here's a classic postcard of Louisville in 1907.
And this is Jackson Ky. post-flood in May last year:
Click to enlarge
Although I'd love to see the ark end up like that, I wouldn't wish that kind of mega-flood on the people of Kentucky. It would, of course, be filled with valuable race horses if the local Noahs had their way, and interesting stuff like wildcats and copperhead snakes wouldn't stand a chance.