Guadiana International Bridge
37.2375 - 7.4188888888889Koordinaten: 37 ° 14 ' 15 " N, 7 ° 25' 8 " W
F1
A-49 / A22
Guadiana
Puente Internacional del Guadiana ( Spanish) or Ponte Internacional do Guadiana (in Portuguese ) is a 1991 finished cable-stayed bridge that spans the Guadiana on his last section, a few miles above the mouth in the Atlantic Ocean. Surrounded by a Spanish-Portuguese consortium designed building combines Castro Marim in the district of Faro in Portugal and Ayamonte in the province of Huelva in Spain. The bridge is one of the longest in Spain and after Vasco da Gama Bridge and the Ponte 25 de Abril, both in Lisbon, the third longest bridge in Portugal.
Project and construction
The idea of building a bridge over the Guadiana, which the international border between Spain and Portugal is here to replace the outdated ferry, came up in the 1960s, so the governments of Portugal and Spain took up negotiations, a feasibility study on the way to bring. The Spanish Dirección General de Carreteras and the Portuguese Junta Autónoma de Estrada began in 1963 with the planning, construction began in 1985. The project was planned by the Portuguese engineer Jose Luis Cancio Martins and of the company Huarte SA exported from Spain and Teixeira Duarte from Portugal.
The main difficulties were the width of the river, which at this point is almost half a kilometer, and the depth of up to ten meters. At the four -year construction 300 workers were involved, a total of 28,000 cubic meters of concrete and 5,500 tons of steel were used. The international bridge at the time of its construction the reinforced concrete bridge with the second longest main span. It was inaugurated in 1991.
Specifications
The bridge measures between the bridgeheads 666 m in length and is divided into five ranges. The main span has a length of 324 m, the side margins measure 135 m. The roadway is 20 m above the water level of the river, which also allows the passage of larger vessels. The two pillars having a shape corresponding to an inverted Y, 95 and 96 protrude upward m. The pylon the Spanish shore nearer was built on an artificial island in the river, the other is located on the Portuguese shore.