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St. Paul District
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St. Paul MN 55101

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Posted 3/14/2016

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Updated September 2017


Location/Description
The tow haulage system is integral to the operation of each of the Mississippi River Locks and Dams 2 through 10. It is attached to the top of the lock and dam guidewall and helps guide tows through the lock chamber. Each system is comprised of an operating unit, rail, and traveling kevel or mule.

The Lock and Dam 2 through 10 tow haulage system has been deteriorating over the past several years. Two failures at Lock 7 identified the need for a project to address serviceability and safety issues. The purpose of this project is to make a permanent repair of the tow haulage system. Repairing the system may be in conjunction of the lock and dam guidewall crib repair and completed during the non-navigation season.

Status

The Inland Navigation Design Center provided guidance on the system and recommended a solution to rehabilitate the system to the original design and incorporate a continuous rail.  Design for the tow haulage rehabilitation at Lock and Dam 6 was completed in fiscal year 2017. A construction contract is scheduled to be awarded in early fiscal year 2018.  Design for the tow haulage at Locks and Dams 5, 8 and 9 is a planned in fiscal year 2018.


Authority
The Upper Mississippi River 9-Foot Channel Navigation Project was authorized as part of the Rivers and Harbors Act approved July 3, 1930.

Fiscal
Tow haulage design and construction at the locks and dams is completed with 100 percent Federal funds.

FY17:
Lock 6 Design                                              $200,000

FY18:
Lock 6 Construction                                     $800,000

infrastructure inland waterways lock and dam Mississippi River St. Paul District Tow Haulage System U.S. Army Corps of Engineers