© 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 Largo Sao Domingos - Porto Matosinhos - Porto Ponte Dona Maria Pia - Porto Terraced Fields in the Douro Valley Panoramic View of Porto's Ribeira at Night Castelo do Queijo - Matosinhos - Porto