It was therefore necessary to fix piles in the bed of the river so as to sustain the floor of the bridge and establish a pile-driver to act on the tops of these piles, which would thus form two arches and allow the bridge to support heavy loads.
Hubo que meter pilotes en el cauce del río, para mantener la tablazón fija del puente y establecer los medios de operar sobre las cabezas de las estacas, formar los arcos y permitir al puente sostener grandes pesos.