GOLDEN GATE BRIDGE Golden Gate Bridge a suspension

GOLDEN GATE BRIDGE.

Golden Gate Bridge - a suspension bridge across the Golden Gate Strait (California, USA). It connects the city of San Francisco in the north of the San Francisco Peninsula and southern Marin County. Golden Gate Bridge was the largest suspension bridge in the world since opening in 1937 until 1964. The bridge 1970 meters, the length of main span - 1280, the height of towers - 230 m above the water, weight - 894 500 tons. This is one of the most recognizable bridges in the world.

Building a bridge began January 5, 1933 and lasted more than 4 years. The bridge was prepared by the engineer Joseph Strouss, a consultant architect Irving Morrow was that used in the design elements of Art Deco style. All mathematical calculations for the bridge made by Charles Alton Ellis. The Golden Gate Bridge construction project was carried out by the Mc. Clintic-Marshall Construction Company, founded by Howard Mc. Clintic and Charles Marshall, both of Lehigh University.

Opening May 27, 1937 at 6: 00 am Golden Gate Bridge opened for pedestrians. The first 12 hours, he belonged to them alone. 200, 000 people crossed by foot and roller skate. The next day, on a signal of President Roosevelt, on the bridge drove the first cars.

Some interesting facts Since 1964, its main span length has been surpassed by eight other bridges. However, it still has the second longest main span in the United States, after the Verrazano-Narrows Bridge in New York City.

Some interesting facts The Golden Gate Bridge is one of the most popular with suicides in the world.

Some interesting facts Due to the sphericity of the Earth, on top of supports (in theory) from each other at 4. 5 cm than at the surface of water.

Some interesting facts One of the reasons for the choice of color for the bridge it is good visibility in fog.

Song you hear now, has been selected as the official song in memory of the opening of the Golden Gate Bridge. Thank you for your attention! Performed by Marina Garchenko