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All mathematical calculations for the bridge made by Charles Alton Ellis. The Golden Gate Bridge construction project was carried out by the McClintic-Marshall Construction Company, founded by Howard McClintic and Charles Marshall, both of Lehigh University.

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.

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