Overall this run is fairly devoid of in-channel LWD
Much of it has to do with recruitment potential…where standing trees of sufficient size exist (not uncommon), they generally fall from such a height/distance that the trees break and the resulting pieces are easily transported (i.e. less likely to hang-up in the main channel)
In this case, LWD has been strained-out by riparian trees at the downstream end of a bar and high-flow channel