When published the Digital Guide to the Ohio River will be the go to spot for Ohio River Access between Portsmouth Ohio and Louisville Kentucky. All of the access points are also indenified on the US Army Corps Navigational Charts, see the map section of this site.
Till then, The Kentucky Department of Fish and Wildlife maintains a Hunting and Fishing Access interactive map that covers our region.
The Website Riverlorian.com is a comprehensive site, they also publish an in
depth river guide called: The Ohio River Guide Book. Available on line