While I don't know that section of water I do know trout in my area trout are very migratory within the river system changes occur during seasonal shifts, spawning, bug hatches, water temp and water levels. That being said they are either most likley upstream or up the nearest tributaries. Keep fishing that spot just find different water and move on when you don't get bit after covering the water. I find fish closer to shore when waters raise and turbidity turns up. A slower presentation is needed when water gets colder the fish won't be as feisty as in the summer.