Covered Bridges: Spanning the American Landscape Powerscourt Bridge, 1861 Elgin-Hinchinbrooke, Quebec Many American bridge designs, such as this one, were also erected in Canada. The Powerscourt Bridge is the only surviving example of a McCallum truss, which combined the principles of the arch and truss. Previous | Home | Next

Delineated by Thomas Behrens and Naomi Hernandez