|Carl Venzke posted|
Canton Viaduct is a blind arcade cavity wall railroad viaduct built in 1834-35 in Canton, Massachusetts, for the Boston and Providence Railroad (B&P). At its completion, it was the longest (615 feet) and tallest (70 feet) railroad viaduct in the world; today, it is the last surviving viaduct of its kind. It has been in continuous service for 181 years; it now carries high-speed passenger and freight rail service. April 1977 photo. Quite a structure :oBuilt to last.
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