© All Rights Reserved The Arrabida bridge over the River Douro in Porto. The concrete bridge was built in 1963 and was for sometime the widest single span concrete bridge in the world. It is 70 metres above the water and spans 252 metresRelated images Porto - In need of a lick of paint... River Douro Cruise Rua Santa Catarina - Porto Largo São João Novo - Porto Porto souvenir shop Ornate Shop Doorway - Porto