Powerscourt Covered Bridge
The Powerscourt Covered Bridge is a covered bridge that takes the First Concession Road across the Chateauguay River in Hinchinbrooke,… Leggi di più…
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The Powerscourt Covered Bridge is a covered bridge that takes the First Concession Road across the Chateauguay River in Hinchinbrooke, Quebec. It is also known as the Percy Bridge.
It was constructed in 1861, and employs the McCallum inflexible arched truss, developed by Daniel McCallum. It was the only McCallum truss bridge that was not a railway bridge, and since wooden truss railway bridges have all but been replaced with steel and concrete bridges, it is the last bridge of its kind in the world. In 2009 it was fully restored to its original 1861 plans.It is supported on three masonry piers and the two spans are structurally independent of each other.The Powerscourt Covered Bridge was designated a National Historic Site of Canada in 1984 because:
Source: Wikipedia
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