Nov 02, 2017· Concrete Plant Park in New York City Concrete Plant Park, opened in 2009, is a seven-acre post-industrial park on the Bronx River. Photo by Nathan Kensinger for Curbed NY. This seven-acre South Bronx spot is located on the Bronx River, "one of the most blighted, abused waterways in the country," according to the Times. From the late 1940s ...