Info from: Harry’s Bridges

The bridge was built in 1866, repaired in 1887, 1892, 1925, 1938, 1954-55, and 1977, renovated in 1989 and 2001.  It is a two span Town Lattice truss 460 feet long spanning the Connecticut River.  It is located just off SR 12A in Cornish, New Hampshire to Windsor, Vermont.  Directions:  Follow SR 12A north about 7 miles from SR 11/SR 103 west of Claremont 0.5 mile past junction of Cornish City Road and just left on the west side of SR 12A. The first bridges at this site were uncovered.  The first bridge at this site was completed on October 31, 1796 at a cost of $17,099.27.  It was lost to a fresher in 1824 and replaced with a toll bridge in 1824.  It too was lost to a fresher in 1849.  The third bridge also a toll  covered bridge and was built in 1849. It was also lost to a fresher in 1866. The current bridge was built at a cost of $9,000.00. The repairs in 1887, 1892, 1925, 1936 and 1938 cost $8,000.00.  In 1954-55 repairs were made to the pier, floor, siding and roof replaced by the New Hampshire Highway Department.In 1977 the State of New Hampshire repaired flood and ice damage at a cost of $25,000.00.  On July 2, 1987, the bridge was closed for restoration, and was reopened on December 8, 1989, at a cost of $4,650,000.00 of which New Hampshire contributed $4,450,000.00 and Vermont $200,000.00.  During this restoration, about half of the floor members, the upper cord over the center pier, and the lower chord were replaced with glue-laminated yellow pine timbers, new floor joists and Douglas fir flooring was installed along with new pine siding and a galvanized steel roof with spruce rafters.  This is the second longest wooden covered bridge in the United States (the longest is the 458 feet long Medora Covered Bridge in Indiana) and the longest two span covered bridge in the world.  The bridge rests on large mortared granite block abutments with wing walls with poured concrete and one pier with mortared large granite blocks rounded on the upstream side, and poured concrete at the base.  The bridge is covered with dark weathered tongue and groove pine boarding on the sides to the eaves, and also covers the portals.  There are eighteen non-opposing small window openings with small roofs above them, along each side.  The deck consists of longitudinal thick Douglas fir planking and a white painted galvanized steel roof.  The bridge is also known as the Cornish, Windsor and Windsor-Cornish Bridge.  The American Society of Civil Engineers designated it as a National Historic Civil Engineering Landmark in 1970.  The bridge was listed on the National Register of Historic Places on November 21, 1976.

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4.7
375 reviews
  • C Adams
    C Adams
    4 months ago

    Fun to visit the longest covered bridge! Parking available, but not designed for tourists. Have to walk along a short stretch of the busy road to get close for pictures. Too narrow and dark to walk into the bridge safely.

  • DL Hirst
    DL Hirst
    6 months ago

    This bridge offers great photo opportunities. Mt Ascutney in the background, the railroad bridge to the south, and of course, the beautiful Connecticut River all around. The day we visited, we had a pair of bald eagles cruising the water. This is still a functioning thoroughfare, so walking across the bridge requires a modicum of caution. And, of course, don’t ride your horse across, unless you are prepared to pay the fine!

  • VermontGuide
    VermontGuide
    2 months ago

    Longest historic covered bridge in the United States. There is a recent bridge in Ohio over the Ashtabula River, which is 613 feet long, with pedestrian walkways on both sides. Dedicated in 2008.

  • Jim Carter-White
    Jim Carter-White
    a month ago

    Have looked forward to seeing a covered bridge and we find the longest 2 pier example. The information board was interesting and gave the original cost to build ($9000)

  • Terri Moore
    Terri Moore
    5 months ago

    Beautiful bridge and very long. Saw this on my way to Saint Gaudens NHP in NH. Loved the sign on the bridge indicating cost for horse and buggy to cross. Plenty of room to stop and shoot pics.

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