Lock and Dam No. 17 is a lock and dam located near New Boston Illinois on the Upper Mississippi River near river mile 437. Its main lock is 110 feet (33.5 m) wide and 600 feet (182.9 m) long with its bottom at an elevation of 518 feet (157.9 m). Normal pool elevation behind the dam is 536 feet (163.4 m). The movable portion of the dam is 1121 feet (341.7 m) long and consists of 3 roller gates and 8 tainter gates.
thumbnail
point
length (km)
341.681
building start year
1935-01-01T00:00:00+02:00
location
Louisa County Iowa, Mercer County Illinois, New Boston Illinois, United States, New Boston Township Mercer County Illinois
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