Lock and Dam No. 16 Historic District

33109 102nd Ave. W, Muscatine, Iowa

Part of the Upper Mississippi River 9-Foot Channel Project


Overview Looking North

The lock is in the foreground.

Photo taken by J.R. Manning in June 2013




The Lower Mississippi River, below the confluence of the Ohio River at Cairo, Illinois, has always been a reliable zone for river traffic navigation. Not so for the Upper Mississippi River, which was always subject to drought or flood conditions. A proposal to build a series of dams and locks, to guarantee a 9-foot depth was passed under during the Hoover Administration, and built between 1930 and 1940. The series of dams and locks guarantees a navigable channel for recreational and commercial boating along the Mississippi River.

National Register information 

Posted to the National Register of Historic Places on March 10, 2004
Reference number
Architectural style
Other architectural type; Lock and Dam
Areas of significance
Transportation; Engineering; Maritime History; Commerce; Economics; Military; Social History; Politics/Government; Conservation
Level of significance
Evaluation criteria
A - Event; C - Design/Construction
Property type
Historic function
Current function
Period of significance
Significant years
1937; 1933
Number of properties
Contributing buildings: 1
Contributing structures: 5
Contributing objects: 2
Non-contributing buildings: 13
Non-contributing structures: 2
Non-contributing objects: 18

Update Log 

  • March 28, 2014: Updated by J.R. Manning: Updated Status and Added Photos



Lock and Dam No. 16 Historic District
Posted February 8, 2013, by Luke Harden

Here's a photograph I took of the dam from downstream.

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