Xinbei Expwy originally named Erchong Floodway Cable-Stayed Bridge which connected Erchong Floodway in Sanchong District, New Taipei City, is partial of expressway along the riverside in New Taipei City. It is the widest cable-Stayed bridge in Taiwan with 200m+200m=400m span layout, together with 133m height of upside down Y shape steel box girder, 45m wide of full-section welding design. The scope of project is including independent check, design review and some specific technical consulting service.