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There is no upper limit provided strong enough materials can be found and used. The longest suspension bridge is the Akashi-Kaikyō bridge in Japan at 1,991m.

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14y ago
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10y ago

200 - 800 ft

(Approximately 61 - 244m)

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11y ago

The Rio-Niteroi Bridge in Brazil is a box-girder bridge with a central span of 980 ft.

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12y ago

250 ft

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Q: What determines the distance a beam bridge can span?
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