I have a wooden pergola 16 x 18 ft x 11ft tall with 6 - 6" x 6" posts supporting cross beams. this is an open structure. Each post is encased in concrete board which is back filled with 2" of concrete and covered with brick and morter at base 2' in height. The county inspector is requesting the moment distribution for this structure RE; withstanding wind. Each post is secured into concrete with metal plate designed to hold posts and each is secured 3" into concrete by 2 bolts (only one is required). is there any way to calculate the moment distribution for this open (shade) structure???? any help would be greatly appreciated!!!