Mississippi Lock and Dam No. 11
Gallery
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Image of Lock and Dam No. 11 and the Eagle Point Fishing Barge
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The Eagle Point Fishing Barge bait shop and boat landing
 
Details
Attraction
Location
Body of Water: Mississippi River
Trail Name: Inland Waterways
Year Built: 1937
Nearest Address: Eagle Point Road
Nearest City: Jamestown
County: Grant
Latitude: N 42°32.36100 '
Longitude: W -090°38.22900'
Attraction
Features
Open to public?: No
Mooring buoy?: No
Mooring buoy in place?: No
Snorkelable?: No
Dive guide?: No
Trails sign?: No
National Register?: No
Attraction
Description
Lock and Dam 11 borders on the northern edge of Dubuque, Iowa, and is 583 miles above the confluence of the Mississippi and Ohio rivers. The movable dam has 13 submersible Tainter gates (20-feet high, 60-feet long) and three submersible roller gates (20-feet high, 100-feet long). The roller gates submerge eight feet. The dam system also includes a 3,540-foot long, curved, non-overflow, earth and sand-filled dike. The lock dimensions are 110-feet wide by 600-feet long with additional provisions for an auxiliary lock. Normal upper pool elevation is 603.0; approximately 19 feet above the tail waters below the dam at low water. The maximum lift is 11 feet with an average lift of 9.4 feet. It takes approximately 7 minutes to fill or empty the lock chamber. It takes 9 hours for water to travel from Lock and Dam 10, in Guttenberg, Iowa, to Lock and Dam 11.
 
Map
 
Nearby
Attractions (1)
Mississippi Lock and Dam No. 11
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