Suspension Bridge April 25, looking very impressive is a steel structure over 2 kms. long intersects the north (Lisbon) south (Almada). The work of construction of the bridge and access roads began November 5, 1962 and be complete 45 months later, on August 6 1966.Su initial name was Salazar Bridge, with the advent of democracy was christened April 25 Bridge, the date of the Carnation Revolution. 
In the Tagus river sound can be heard constantly, which corresponds to the displacement of the cars on a metal grid in the fast lane in each direction along the bridge (I advise not to go too fast in that lane as the lattice is the bridge makes the car is not safe or stable enough from 70km / h, in fact a bit circular scares me!) .. 
The cost of the bridge at the time was 2,200,000,000 crowns (32 million), worked in 14 companies (11 Portuguese) and 3,000 trabajadores.En its construction were needed 72,600 tons of steel and 263,000 m3 of concrete, 6,500,000 m3 of being displaced roca.La bottom land and was recently renovated in 1998 to house railroad tracks below where vehicles are driven 
In the time it was a spectacular event for its length and construction design. Today has been somewhat eclipsed by the construction of Basque de Gama bridge, with 16 km long, and another entrance from the south to this city so wonderful. In 1998 a new bridge was completed in Basque Da Gama partly alleviated the monumental traffic jams that originated on the bridge April 25.
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