Hadley Parabolic Bridge

The Hadley Parabolic Bridge, often referred to locally as the Hadley Bow Bridge, carries Corinth Road (Saratoga County Route 1) across the Sacandaga River in Ha...
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The Hadley Parabolic Bridge, often referred to locally as the Hadley Bow Bridge, carries Corinth Road (Saratoga County Route 1) across the Sacandaga River in Hadley, New York, United States. It is an iron bridge dating to the late 19th century.
It is the only surviving iron semi-deck lenticular truss bridge in the state, and the only extant of three known to have been built.[3]:2 In 1977 it was listed on the National Register of Historic Places. Shortly afterwards it was closed to vehicular traffic, and at some time later to pedestrians as well.
The county had considered demolishing it, but held off after heavy lobbying from local preservation groups. In 2006 it was reconstructed and restored with federal and state grants, and reopened without any load restrictions.
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