The Cornish-Windsor Covered Bridge spans the Connecticut River between the towns of Windsor, VT and Cornish, New Hampshire. It was the longest covered bridge in the United States until the Smolen–Gulf Bridge opened in Ohio in 2008. Cornish-Windsor is still the longest covered bridge to carry automobile traffic.
The bridge was built in 1866 at an original cost of $9,000. In 1989 it was reconstructed by the state of New Hampshire at a cost of $4 ½ million. There were three bridges previously built on this site in 1796, 1824 and 1828, but were all destroyed by floods. Although Pennsylvania is the state with the most covered bridges (200), Vermont and New Hampshire have the most per square mile of anywhere in the world.
The Cornish-Windsor Bridge is located about 20 miles south of Lebanon, NH and White River Junction, VT. Located close by is the Saint-Gaudins National Historic Site, an interesting stop in the scenic Connecticut River Valley.