This is a list of current and former locks and dams of the
Upper Mississippi River
The Upper Mississippi River is the portion of the Mississippi River upstream of St. Louis, Missouri, United States, at the confluence of its main tributary, the Missouri River.
History
In terms of geologic and hydrographic history, the Upper ...
which ends at the
Mississippi River
The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it fl ...
's confluence with the
Ohio River at
Cairo, Illinois.
Locks and dams
Expansion proposals for upper Mississippi locks
The
Army Corps of Engineers has studied the expansion of some locks on the
Upper Mississippi. Since at least 1999, the Corps has considered expanding 600 ft locks
20,
21,
22,
24, and
25 to 1,200 ft.
;Gallery
Image:Upper Mississippi.png, The inland and intercoastal waterways, with the Upper Mississippi highlighted in red.
Image:Upper Mississippi River Stairway of Water.png, Upper Mississippi River Stairway of Water.
File:Upper_Mississippi_locks_expansion_study.jpeg, Upper Mississippi locks expansion study
See also
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List of crossings of the Upper Mississippi River
This is a list of all current and notable former bridges or other crossings of the Upper Mississippi River which begins at the Mississippi River's source and extends to its confluence with the Ohio River at Cairo, Illinois.
Crossings Minnesot ...
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Mississippi Valley Division
The United States Army Corps of Engineers Mississippi Valley Division (MVD) is responsible for the Corps water resources programs within 370,000-square-miles of the Mississippi River Valley, as well as the watershed portions of the Red River ...
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List of locks and dams of the Ohio River
This is a list of locks and dams of the Ohio River, which begins at the confluence of the Allegheny and Monongahela rivers at The Point in Pittsburgh, Pennsylvania and ends at the confluence of the Ohio River and the Mississippi River, in Cairo ...
References
External links
USACE St. Paul District Locks and Dams*
Historic American Engineering Record
Heritage Documentation Programs (HDP) is a division of the U.S. National Park Service (NPS) responsible for administering the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER), and Historic American Landscapes ...
(HAER) historical overviews:
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*HAER documentation of individual locks and dams:
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{{DEFAULTSORT:Upper Mississippi Locks And Dams
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Historic American Engineering Record in Iowa
Historic American Engineering Record in Minnesota
Historic American Engineering Record in Missouri
Works Progress Administration
Works Progress Administration in Illinois
*Miss
Miss
Mississippi Valley Division