That dock is quite wide and a lot of surface area putting pressure on them posts. I know hind site is 20x20 but those post should have had more like 3 bags of concrete put in them not a half a bag. I agree with RAH you may end of having to drain your pond to fix them the right way. Sorry to here of your trouble. I had something simular happen last year to me except my dock floats and I did not make my posts high enough and my dock came right off my post and floated across the pond up into the woods!! So I had to put longer posts in for them to slide up and down on. Of course my problem was not near as bad as yours is. Hope you can get it fixed bud.

The only difference between a rut and a Grave is the depth. So get up get out of that rut and get moving!! Time to work!!