This article introduces three outstanding innovations: Utilization of steel casing to establish a construction platform for Sutong Bridge' s super-large and deep-pile groups ; Permanent collision facilities consisting of collision structure and 5 000 ton steel cofferdam which is lowered as a whole; Permanent scour protection. The article also presents economical and reasonable design method for super large bridge foundation and explains the significance of innovation and technical integration to large and complicated project construction based on the above theory.