This paper introduces a reinforce roadbed technology with pipe shed when tunnel bridge pass through roadbed using incremental launching method and highway traffic not be discontinued.

In combination with steel box girder construction by incremental launching method, the paper introduced the construction technique of variable depth curved steel continuous box girder.

Combined with construction practice, the paper introduced the construction technology of incremental launching method construction of Xiezizai frame bridge of Yuanping Taiyuan freeway for reference.