Brafer was hired by Vale to assemble three railway bridges in the States of Maranhão and Para.

The bridges are located in the towns of Buriticupu - MA, Santa Ines - MA and Parauapebas - PA. The first has a total length of 140 meters, the second 60 meters and the third 100 meters, all of which were proportionally divided into spans of 20 meters.

These bridges were welded on site and hoisted in their full length with cranes with capacities ranging from 220 to 500 tons.