请就这句英文分析有没有错误

请就这句英文分析有没有错误据估计,若桥上摆满了汽车,也只不过是桥的总承载力的1/3.然而,这座桥重要特点不仅是它的规模与强度.尽管此桥很大,但它的结构简单,造型优美,实现了设计者企图创造一个“尽量用细线条勾画出一个庞然大物”的梦想. According to estimating,if the bridge fully loaded cars,the weight of the cars is 1/3 load power of the bridge. Although the bridge is so great,but its structure is simple and beautiful,which fulfill adream that designer attempts to creat a big one which just been painted with slender inellae.注意：请就针对这段英文分析.