bridges+presentations

__Bridges presentations. __

**__Vasco da Gama Bridge __**

Is located next to Parque das Nações on the eastern end of Lisbon. Named after Vasco da Gama to commemorate the 500 years of his discovery of the sea route to India It crosses the Tagus River about 20 km upstream from the 25th April Bridge. Total length of crossing: 17.2 km Length of marine viaduct: 9 km Length of the cable-stayed main arch: 826 m (192 cables) Navigation deck clearance: 47 m above water level on the North Channel On April 1994 a British and French companies won the international concession to design, construct, finance and operate the new crossing, the Vasco da Gama Bridge February 1995: beginning of construction 29 March 1998: opened to traffic. 2000: awarded first prize by the Ibero-Americana Institution of Architecture and Civil Engineering
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**__Eiserner Steg Bridge __**

Located in Frankfurt, Germany, over the Rhine River, the main River of Germany <span style="font-family: Arial,Helvetica,sans-serif; font-size: 130%;">It travels 524 km from east to west. <span style="font-family: Arial,Helvetica,sans-serif; font-size: 130%;">Before this bridge it was a bridge called Alterbrucke, an elegant and beautiful structure that was constructed between 1868 and 1869, with 174 meters, using mainly iron for its structure, red stone for its base and cast iron for the towers. But this bridge didn’t allow the ships to go through, so it was remodeled to fix it up. <span style="font-family: Arial,Helvetica,sans-serif; font-size: 130%;">Later of the war, in 1945 the bridge was destroyed, for the bombs that fell over the structure. After this, the bridge was rebuilt, and now the bridge use is exclusive for the pedestrian.