description Cornish-Windsor Covered Bridge Overview
The Cornish-Windsor Covered Bridge is a historic wooden covered bridge spanning the Connecticut River to connect Cornish, New Hampshire, with Windsor, Vermont. Built in 1866, the structure utilizes a Town lattice truss design and measures approximately 137 meters (449 feet) in length. It comprises two distinct spans supported by a central pier in the river and remains the longest covered bridge in the United States. Originally designed to accommodate vehicular traffic, the bridge continues to serve as an active transportation route and a significant regional landmark.
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Where is the Cornish-Windsor Covered Bridge?
The bridge spans the Connecticut River between Cornish, New Hampshire, and Windsor, Vermont. It is a cross-state covered bridge rather than a crossing within a single town.
When was the Cornish-Windsor Covered Bridge built?
The current bridge was built in 1866. It uses a Town lattice truss design, a pattern made from interlocking diagonal timber members.
How long is the Cornish-Windsor Covered Bridge?
It measures approximately 137 meters, or 449 feet. That substantial length makes its timber Town lattice structure especially notable among covered bridges.
Why does the Cornish-Windsor Bridge have a roof?
The roof and side walls protect the wooden trusses from rain and snow, extending the life of the structural timber. The bridge's 1866 Town lattice design depends on that protection more than a modern steel bridge would.
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