Duane, There is a ramp at Roach. On how to get there I can get you close I have not been to this ramp but I do know where to turn.
Get on 54 and head west towards Haha Tonka, cross over the lake, up the road about a mile or so. On the right hand side is the turn off. It is maked with a brown and tan sign saying lake access. From this point I am lost, but I am sure if you take your time and look for the signs you wont get lost. Look at mapsource that on your computer it should show the ramp and the road to it.