Yes, it is very wheelchair accessible.
Yes on the Louisville side there is a large spiral ramp that goes up to the bridge. It's a very large ramp so pushing a wheelchair up it may be a bit tiring but is totally doable. Plenty of parts along the way to stop and look at the view so far. Would highly recommend!
Yes it up and down over and back yes it is very much
Yes. The hill up to it will take some work, but definitely wheelchair accessible.
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