What bridges do American countries have on Earth?

The representative building in the United States is the Golden Gate Bridge.

The Golden Gate Bridge, also known as the Golden Gate Strait Bridge, is a sea-crossing passage connecting the urban area of San Francisco and Marin County in the north in the United States.

The Golden Gate Bridge stretches from California in the north, across the Golden Gate Strait, and south to the San Francisco Peninsula; The total length of the line is 2,780 meters, and the total length of the main bridge is meters; The bridge deck is a two-way six-lane urban trunk line with a design speed of 60 kilometers per hour; The total cost of the project was about $35.5 million, and the design engineer was Josef Strauss.

Bridge Location: The Golden Gate Bridge is located on the east coast of the Pacific Ocean in San Francisco, California, in the western United States, spanning the north and south shores of the Golden Gate Strait, where the north end of the bridge connects California or Marin County, Funia, and the south end connects to the San Francisco Peninsula, passing through the bridge route is U.S. Route 101.

The Golden Gate Bridge consists of a main bridge, an approach bridge, a viaduct, two pylons, anchors, suspension cables, slings, approach bridges and various interchange ramps. The main bridge section is arranged in a north-south direction. <>

There are more than 2,300 bridges in Hamburg, Germany, which is the city with the most bridges in the world, and the city with the most bridges in China is Suzhou, which is still densely packed with bridges, with more than 310 bridges of various sizes, known as the "Venice of the East".

In people's minds, Venice, the city of water, seems to be the city with the most bridges in the world. This is actually a misunderstanding, Hamburg in Germany is the "bridge city of the world". It has more bridges than the three cities of Venice, Amsterdam and London combined.

As the world's "bridge museum", Hamburg has a variety of stone bridges, wooden bridges, iron bridges, trestle bridges, and double-decker bridges, each with its own characteristics. Reading about Hamburg's bridges is like flipping through a book documenting the city's history. No matter what season you visit, you'll be enchanted by the beauty of the city set against the lake.

If you walk through the city, you won't feel like the city is divided by rivers and lakes. This is thanks to the bridges that cross the water in Hamburg, which connect the city like a ribbon. Hamburg even has more bridges than Venice and Amsterdam combined, making it the city with the most bridges in the world with more than 2,500.

Suzhou is located in the southeast of Jiangsu Province on the shore of Taihu Lake, the lake is full of rivers, the bridges are dense, it is the city with the most bridges in China, known as the "Venice of the East". At present, there are more than 310 bridges of various sizes in Suzhou, which are rare in other cities in China, and add glamour to the beautiful scenery of the tourist city in the south of the Yangtze River. Standing on the stone bridges that can be seen everywhere, you can see the shuttles in the alleys, motorized cement boats, small wooden boats, and a fleet of transport ships towed by tugboats, forming a unique and moving scenery of the water city of Suzhou.

Arch bridges, suspension bridges, cable-stayed bridges, steel bridges.

Around the time of the Han Dynasty, the four basic types of bridges: beam bridges, pontoon bridges, rope bridges, and arch bridges were all produced. These four types of bridges evolved according to their different building materials and construction forms:

Wooden bridges, stone bridges, brick bridges, bamboo bridges, salt bridges, ice bridges, rattan bridges, iron bridges, reed bridges, stone pillar bridges, stone pier bridges, flood bridges, outrigger bridges, covered bridges, wind and rain bridges, bamboo bridges, stone bridges, opening bridges, zipline bridges, trilateral arch bridges, pointed arch bridges, round arch bridges, even arch bridges, solid belly arch bridges, tan arch bridges, crane arch bridges, rainbow bridges, channel bridges, curved bridges, fiber road bridges, cross bridges, as well as plank roads, flying pavilions, etc., almost everything, what form of ancient bridges, can be found in our country.

According to the main material.

Wood, stone, brick, bamboo, rattan, iron, salt, ice, paper bridge.

According to the structure and appearance.

There are four basic types of girder bridges, pontoon bridges, rope bridges, and arch bridges.

Other styling. Flying pavilions and plank roads, channel bridges and fiber road bridges, as well as curved bridges, Uonuma flying beams and feng shui bridges.

In this world, there are glass bridges in Galia and notes from the United States, as well as salt bridges in Qinghai Province in China.

The Golden Gate Bridge is the most famous bridge in the United States, with a main bridge of 1,966 m and a main span of 1,280 m, completed in 1937, holding the record for 27 years as the world's largest span bridge. The bridge pylon is made of steel structure, with a height of 227m above the water surface and a clearance of 67m under the bridge. The main girder is also a steel structure, and the bridge deck is 27 meters wide.

The two anchors each weigh 54,400 tons. The length of the main cable is 2,332 m, the diameter is 22,200 tons, and the total weight of the main cable, sling and accessories is 22,200 tons.

The Verrazano Narrows Bridge is the largest span bridge in the United States, with a main bridge meter and a main span of 1,298 meters, which began in August 1959 and was completed in 1964. From 1964 to 1981, the bridge held the record for the world's largest span. The tower and the main girder are steel structures, with a total steel consumption of 97,069 tons for the tower and superstructure, and the four main cables are 2,196 meters long, with a diameter of meters and a bridge deck width.

It cost $320,126,000 at the time.

Hurong West Sidu River Bridge in Hubei, China, the height difference between the bridge deck and the canyon valley floor is 560 meters Attached: Hurong West Sidu River Bridge is located in Yesanguan Town, Badong County, Sidu River, the bridge is 1365 meters long, and the main bridge is a double-hinged steel truss with a single span of 900 meters.

Sidu River Bridge.

Erecting a stiffened beam suspension bridge is one of the key control projects of the whole line. The height difference between the bridge deck and the canyon floor is 560 meters, which is equivalent to 200 stories high, which is the largest span suspension bridge built in the deep mountains and valleys in China at present, and is 290 meters higher than the world's highest bridge, the French Millau Bridge, and is known as the world's highest suspension bridge.

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