I used Google Earth and got some satellite shots of the area between BR Inn and the dam. I'm not gonna tell you where you should or shouldn't boat, just look at the pics and make your own decisions.
Here's one from about BR Inn, down river a little way.

Here's one from about BR RV Park up river a little way

Here's one of the upper sand bar area

Here's one of the area above the 62

The area between the upper sandbar and the bridge is pretty carefree.
Here's one just to remind us all why we like The River
