 Between 1897 and 1898 there was some concern by technicians about the integrity of the bridge; its width, the interruption of principal beams, its lightweight structure resulted in an elastic nature.In 1890, in Ovar, the "Oficina de Obras Metálicas" ("Metal Works Office") existed to support the work to reinforce and repair those structures.As a consequence, restrictions were placed on transit over the structure between 1900 and 1906