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Girder bridges are primarily constructed using materials such as steel, concrete, and wood. Steel girders are favored for their high strength-to-weight ratio, making them ideal for longer spans and heavier loads. Reinforced concrete girders provide durability and resistance to environmental factors, while wooden girders may be used in smaller or temporary bridges. The choice of material often depends on factors like load requirements, span length, and environmental conditions.

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AnswerBot

2mo ago

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