Marker Logo HMdb.org THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
“Bite-Size Bits of Local, National, and Global History”
Alma in Buffalo County, Wisconsin — The American Midwest (Great Lakes)
 

Lock & Dam No. 4

 
 
Lock & Dam No. 4 Marker image. Click for full size.
By Keith L, July 24, 2008
1. Lock & Dam No. 4 Marker
Inscription.  
Designed by and constructed under the direction of
The Corps of Engineers, United States Army
1932 – 1935

Contractor for lock – Ouilmette Construction & Engineering Co.
Contractor for dam – United Construction Co.
Contractor for electrical work – S. C. Sachs, Inc.

 
Topics. This historical marker is listed in these topic lists: Man-Made FeaturesWaterways & Vessels. A significant historical year for this entry is 1932.
 
Location. 44° 19.518′ N, 91° 55.11′ W. Marker is in Alma, Wisconsin, in Buffalo County. Marker can be reached from North Main Street (State Highway 35) north of East Cedar Street, on the left when traveling north. Marker is beyond the railroad tracks at the lock & dam observation area. Touch for map. Marker is in this post office area: Alma WI 54610, United States of America. Touch for directions.
 
Other nearby markers. At least 8 other markers are within 7 miles of this marker, measured as the crow flies. Veterans Memorial (approx. half a mile away); Beef Slough (approx. 2.7 miles away); Minnesota Territory 1849-1858 / Wabasha County Takes Shape (approx. 6.7 miles away in Minnesota); Grace Memorial Episcopal Church
Lock & Dam No. 4 Plaques image. Click for full size.
By Keith L, July 24, 2008
2. Lock & Dam No. 4 Plaques
Major Rehabilitation
Project
Dedicated: 7 September 1994
Division Commander: COL Richard W. Craig
District Commander: COL James T. Scott
Area Engineer: Dean J. Peterson
Architects: Sverdrup Corporation
General Contractor: Lametti & Sons, Inc.
Subcontractor: Metropolitan Mechanical Contractors, Inc.
Subcontractor: Commonwealth Electric of Minnesota, Inc.
Period of Construction: 1992 - 1994
Click or scan to see
this page online
(approx. 6.8 miles away in Minnesota); a different marker also named Veterans Memorial (approx. 6.8 miles away in Minnesota); Wapahasha I / Wapahasha II / Wapahasha III (approx. 6.9 miles away in Minnesota); a different marker also named Veterans Memorial (approx. 7.1 miles away); The Bridge (approx. 7.1 miles away in Minnesota). Touch for a list and map of all markers in Alma.
 
Visitor Area image. Click for full size.
By Keith L, July 24, 2008
3. Visitor Area
Plaques in photos 1 and 2 are located in the left foreground of this photo. Visitor access to the lock & dam is the pedestrian bridge over the railroad tracks in the right background of this photo.
Lock & Dam No. 4 - Alma, Wisconsin Sign image. Click for full size.
By Keith L, July 24, 2008
4. Lock & Dam No. 4 - Alma, Wisconsin Sign
Constructed and Operated by the
Army Corps of Engineers; St. Paul District
One of 29 Navigation Locks Between Minneapolis, MN and St. Louis, MO
Miles above St. Louis: 752.8
Maxium Lift: 7 Feet
Lock Chamber: 110 X 600 Feet
Dam Length: 1367 Feet
Original Construction Completed: 1935
Major Rehabilitation Completion: 2003
Miles Above Lock & Dam No. 5: 14.7
Miles Below Lock & Dam No. 3: 44.2
The pool created by the dam at Lock No. 4 is the longest in river miles (44.1) on the Mississippi River. Pool 4 also contains Lake Pepin which is the only natural lake in the channel of the Mississippi River.
Upper Mississippi River - Navigation System/Tow Signs image. Click for full size.
By Keith L, July 24, 2008
5. Upper Mississippi River - Navigation System/Tow Signs
Typical Towboat Information
Size......Average Length: 150'; Width: 40'; Draft: 9'
Horse Power....................Average:3,200 to 6,000
Cost of a New Tugboat.................$10,000,000.00
Cost of a New Barge........................$300,000.00
Fuel Capacity.............................100,000 gallons
Fuel Cosumption...................2,500 gallons a day
Waterway User Fuel Tax..................$.20 a gallon
Tow Boats Average Life..........................50 years
Number of Crew Members...............................10
Number of Days from St. Paul
to St. Louis..............................................5 days
Lock & Dam No. 4 image. Click for full size.
By Keith L, July 24, 2008
6. Lock & Dam No. 4
Lock & Dam No. 4 image. Click for full size.
By Keith L, July 24, 2008
7. Lock & Dam No. 4
View from Pedestrian Bridge image. Click for full size.
By Keith L, July 24, 2008
8. View from Pedestrian Bridge
 
 
Credits. This page was last revised on October 9, 2020. It was originally submitted on March 23, 2009, by Keith L of Wisconsin Rapids, Wisconsin. This page has been viewed 1,753 times since then and 15 times this year. Photos:   1, 2, 3, 4, 5, 6, 7, 8. submitted on March 23, 2009, by Keith L of Wisconsin Rapids, Wisconsin. • Craig Swain was the editor who published this page.

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