Orinoquia Bridge have a clearance of 41 m above water level and are supported by four 120 m tall H-shaped pylons via two planes of cable stays. Unusually, these spans do not lead directly into each other as at other multi-span cable stayed bridges such as the Millau Viaduct, but are anchored at a fixed point on the mid-stream island. The bridge was built to complement the existing Angostura Bridge and to provide a more direct connection with the important industrial city of Ciudad Guayana. In particular, it was intended to provide for a future rail connection to allow the city's heavy
Millau Viaduct World Wildlife Fund (WWF), "France Nature Environnement", the national federation of motorway users, and Environmental Action. Opponents advanced several arguments: Two weeks after the laying of the first stone on December 14, 2001, the workers started digging the deep shafts. There were four shafts per pylon; deep and in diameter, assuring the stability of the pylons. At the bottom of each pylon, a tread of in thickness was installed to reinforce the effect of the deep shafts. The of concrete necessary for the treads was poured at the same time. In March 2002, the pylons emerged from the ground. The