Humpback bridge
From Infogalactic: the planetary knowledge core
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A humpback bridge (or hump bridge) is a name for a type of bridge, specifically an arch bridge, where the span is higher than the ramps on either side, forming a hump-like arrangement. Examples include Chinese and Japanese moon bridges and the Humpback Covered Bridge in the United States.
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A small humpback bridge in Bourton-on-the-Water, England
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