The Pontevedra estuary bridge over the Atlantic motorway

Abstract

The main features of the bridge over the Pontevedra Estuary in the Atlantic motorway are shown. The whole bridge made of prestressed concrete is 700 m long and its divided into three different parts by half-joints. The intermediate one has two main spans 120 m long with a variable depth box girder. The side spans are 40 m long with a constant depth box girder. A detailed description of the design process and its construction follows. The main spans have been built by the free cantilever system with a provisional cablestayed system in the final stages.