Science Fair Project Encyclopedia
Longfellow Bridge
Longfellow Bridge, known to locals as the Salt and Pepper Bridge, spans the Charles River to connect Boston's Beacon Hill neighborhood with the Kendall Square area of Cambridge, Massachusetts.
It was built on the site of the 1793 West Boston Bridge and was originally known as the Cambridge Bridge, but was renamed for Henry Wadsworth Longfellow.
Willam Jackson served as chief engineer and Edmund M. Wheelwright as architect. Wheelwright was inspired by the 1893 Columbian Exposition and was trying to rival the great bridges of Europe.
The bridge was completed in 1906 and consists of 11 steel arch spans on masonry piers. The bridge has a total length of 1,768 feet and supports road, subway, and pedestrian traffic. For some reason, the upstream sidewalks are narrower than the downstream.
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