Harbin sifangtai bridge is a cable-stayed bridge whose girder is composed by steel i-beam above and concrete deck slab below.

Bridge's metal structure from the main beam and side beams, divided into single-and dual-beam bridge girder bridge types.

Single-girder bridge by a single main beam and in the end beam span both sides of the composition, dual-beam bridge consists of two main beams and side beams formed.