A4 motorway bridge across the Rio Sordo in the Marão mountains.
Design: Five-section bridge with two separate superstructures
Construction process: Cantilever method, edge spans on falsework
Overall length: 412 m
INFRATÚNEL, Construtores do Túnel do Marão A.C.E., Porto
With the VST heavy duty tower we were able to adapt the support to the different heights. The assembly work was safe and quick thanks to the pre-assembled units.