The Cornish–Windsor Covered Bridge is a covered bridge that spans the Connecticut River between Cornish, New Hampshire and Windsor, Vermont. It was the longest covered bridge still standing in the United States until the Smolen–Gulf Bridge opened in Ohio in 2008.
While the Old Blenheim Bridge had and Bridgeport Covered Bridge has longer clear spans, and the Smolen-Gulf Bridge is longer overall, with a longest single span of 204 feet (62 m), the Cornish-Windsor Bridge is still the longest wooden covered bridge and has the longest single covered span to carry automobile traffic (Blenheim was and Bridgeport is pedestrian only).(Wikipedia)
"Cornish - Windsor Bridge"