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How Are Bridges Over Water Made?

For most bridges built over deep water, construction crews must build cofferdams or lower caissons into the water to create a dam and platform for the concrete towers to stand on. Lakes and riverbeds can be unstable, so crews may need to drive piles deep into the earth to achieve stability.

How Are Bridges Over Water Made?

Bridges are a unique and important part of modern life. They are often used to span rivers, lakes and other bodies of water, which can be a challenging engineering feat. But how are bridges over water made?

The process for constructing bridges over water depends on the type of bridge being built. Some bridges are constructed onsite using a combination of steel, concrete and other materials. This type of bridge is often used for shorter spans and can be built in a relatively short amount of time.

For longer spans, such as those spanning a river or other body of water, a more complex approach may be needed. In this case, a temporary bridge is often built first, using floating barges that are secured to the shore. These barges hold the materials needed to build the bridge, such as steel, concrete, and other materials.

Once the materials are in place, construction of the bridge can begin. The foundation is laid, beginning with caissons, which are sunk into the water to provide a stable base. This is followed by the construction of the bridge’s superstructure, which includes the columns, beams, deck, and any other necessary components.

Once the superstructure is in place, the bridge is then waterproof

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