I'm NOT an expert with this...but having fished in rivers a good deal of time I'll give you my thoughts on this.
For anyone reading after my post....if you disagree with me...be kind enough to state the reasons why...instead of calling me stupid.
1st off...river fishing...especially with some type of current...dictates that you either fish near the bottom (for fish like walleye, sauger or sometimes catfish)...or you fish next to cover...such as laydowns...rocks...weedbeds...etc.
Secondly...how strong the current is will also affect how you should fish rivers...and for that matter...the size of the river CAN make a difference in all of this too. JMHO
There's basically 2 different approaches to this.
The 1st one is to cast up ahead of the cover from a downstream
angle...and bring the lure downstream as CLOSE as you can...or even into it...into the cover. Both weight of the lure...and speed of the current...and your retrieve speed...will affect your presentation...so you have to play with that...and also any added weight to your set-up.
The 2nd basic approach is to be upstream of the cover / structure (let's say the edge of a hole for example...or a major laydown / brushpile / rockpile)...and cast your bait / lure to a position that is upstream of the "spot"...then let out line as needed...to allow the bait to drift down into the spot you are trying to fish. Once again though...current speed and weight of your lure will affect your presentation...so at the risk of sounding like a broken record..."ya gotta experiment".
I'm NOT experienced with southern rivers that can have no current at all sometimes...yet when the dam is releasing water...then the fish turn on. Member ouachitabassangler
is a master
at that kind of thing...as are many others that I have conversed with on here...so hopefully you can give us some more info on your rivers...and that others will state their experiences.
Last but not least...take a look in Members Tips for a Topic I started years ago called River Fishing. A LOT of info was lost in software transitions on here...but there's still some good info there...I will try to redo the Topic this winter
I hope I didn't offend anyone with this post