The Golden Gate Bridge is a 1.7 mile-long suspension bridge that links San Francisco with Marin County which can be crossed by car, on bicycles or on foot.
According to en.wikipedia.org, the bridge carries 6 lanes with a daily traffic of 120,000 and is being maintained by Golden Gate Bridge, Highway and Transportation District. Joseph Strauss, Irving Morrow, and Charles Ellis are the bridge designers who designed it with truss arch and truss causeways using steel as its primary material. The bridge’s total length is 8,981 ft about 2.7 km, with a width of 90 ft and 746 ft in height. It has a longest span of 4,200 ft. Its construction began on January 5, 1933 and ended on April 19, 1937. It opened on May 27, 1937, marking its 75th year anniversary this May 27, 2012
It has been declared one of the modern Wonders of the World by the American Society of Civil Engineers and one of the most internationally recognized symbols of San Francisco, California, and the United States. It is also been one of the beautiful and most photographed, bridge in the world.