The Cofferdam Story

New York City’s oldest standing bridge, the High Bridge opened in June of 1848 as part of the 41-mile Old Croton Aqueduct. At the time, the bridge was deemed an engineering marvel, enabling the delivery of clean water to NYC, catalyzing the city’s development and expansion! Today, it serves as a vital link between communities on both sides of the Harlem River in The Bronx and Manhattan. Join us and NYC Water in celebrating this National Historic Landmark’s 175th birthday with tours of the histor

How a 14th-century bridge in Prague was built. _ This animation shows how the 14th-century Charles Bridge was built in Prague. Here’s the video description, machine-translated: The digital model “Charles Bridge – construction of a pillar and vaulted field in the 14th century” was created for the project of the virtual exhibition Prague of the time of Charles IV. The project is supported by the Ministry of Culture of the Czech Republic as part of the National Celebrations of the 700th Anniversary

Cofferdam Installation