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在研究分析大跨度斜拉桥与悬索桥受力特点的基础上，作者提出了一种可以把两种桥型的优点结合起来的新桥型———索托桥，论文通过力学模型阐述索托桥的受力合理性，以及它在结构上独具的许多优点。
On the basis of studying and analyzing the mechanical characteristics of long-span cable-stayed bridges and suspension bridges, the author proposed a new type of bridge that can combine the advantages of the two types of bridges --- Soto Bridge. The paper expounds Soto Force rationality of the bridge and its many structural advantages.