A pontoon bridge is a type of floating bridge that is supported by pontoons, which are buoyant structures that keep the bridge afloat. This design allows the bridge to span over water without the need for traditional support pillars. Pontoon bridges are often used in temporary situations, such as military operations, emergency evacuations, or during construction, as they can be quickly assembled and disassembled. They are also used for pedestrian traffic or light vehicles and can adapt to varying water levels, making them versatile for different environments.

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