Wingdams or trolling. Pitching crankbaits, jigs with plastics or live bait on the front of the wingdams. Trolling sand flats, channel edges or back water cuts with crank baits, three ways rigs with live bait or maybe even dragging jigs and live bait.
What part of the river are you putting in at?
You should be able to cover all that in a few hours.
Welcome to the site and good luck tomorrow.