介绍了目前西部农村建造中小跨径桥梁常用的桥型结构及特点；
The paper introduces the structure of the medium and small spanning bridges which is often used in western countrysides, and its characteristics.
结合一连续斜弯梁桥实桥试验结果，分析了此种桥型的受力特点、变形特点，给出了试验方案、方法及试验成果。
This paper analyses the speciality of the internal force and deflection in point of concrete continuous skew support curved grider bridge, gives its load test plan, way and results.
钢管拱桥是近年来使用的新桥型，具有造型美观受力合理的特点。
Steel tubular arched bridge is a new type of bridge with the characteristic of beautiful shape and reasonable stress.
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