Taiyuan Torch Bridge is a single-pylon steel & concrete composite cable stayed bridge; the 100.5-metre pylon comprises 3 torch-shaped columns, which are connected by transverse bracing; the part above the main girder is of steel structure, and the part below the main girder is of concrete structure. Between the steel structure and the concrete structure, steel and concrete combination is arranged; the 3 columns are connected by transverse bracing.