The Lusitania bridge is a bridge designed by the architect Santiago Calatrava. It was inaugurated in 1991 and has 480 meters in length, saving the Guadiana River as it passes through Merida, Extremadura, Spain.
It has an arc of 190 meters of steel from which hang 23 pairs of pendulums with both ends in concrete. The bridge is supported on 6 concrete piles anchored in the bed of the river. Its total width is 24 meters and its maximum light is 190 meters.
It has three lanes: one for each direction of the road with two lanes each 3.5 meters wide and another pedestrian 5.5 meters in the middle and raised above the first 1.5 meters.