Pouring formwork system of inclined-leg steel structure bridge

The utility model provides a pouring formwork system of an inclined-leg steel structure bridge, which comprises bearing platforms, formwork assemblies, support assemblies and portal assemblies, and the bearing platforms are built on the ground on two sides of a spanning building area; the shape of the formwork assembly is matched with that of the slant-legged steel structure bridge, and a cavity used for pouring the slant-legged steel structure bridge is defined by the interior of the formwork assembly. The bracket assembly is built on the bearing platform; the top of the support assembly abuts against the bridge body part of the formwork assembly, so that the support assembly supports the bridge body part. The portal frame assembly is erected on the bearing platform and the support assembly, and the side, close to the formwork assembly, of the portal frame assembly abuts against the connecting part between the oblique leg part of the formwork assembly and the bridge body part. According to the utility model,