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Visitors Guide to
Lock and Dam No. 21
Quincy, Illinois
217-222-0918
Lock
and Dam No. 21 is located near Quincy, Illinois the Upper Mississippi
River around river mile 324.9. Listed on the National Register of
Historic Places construction of the lock and dam began in 1933 and
became operational in July 1938. The dam portion of the structure is
1,265 feet long and consists of 3 roller gates and 10 tainter gates. A
1,400-foot long submersible earthen dike extends to a flood control
levee on the Missouri shore. The main lock is 110 feet wide by 600 feet
long and there is also an incomplete auxiliary lock. There is an observation deck at the site (it is not handicapped
accessible) as well as picnic facilities.
Many
endangered bald eagles establish their winter home in the trees along
Lock and Dam 21. It should be noted that
although the observation deck is closed during the winter months the
eagles can be seen from the road near Lock and Dam No. 21.
Visiting Lock and Dam No. 21
Visiting Hours
8 am - Midnight
daily
Closed December 1 - March
1
There is no charge to visit Lock and Dam No. 21
Location:
Take the Gardner Expressway (IL-57) southeast of
downtown Quincy to W. Lock and Dam Road and then 1/2 mile to Lock and Dam
No. 21.
Regional Locks and Dams - Get more
information on the Locks and Dams in the Middle Mississippi River Valley
from Lock and Dam No.19 in Keokuk, Iowa to and Lock and Dam No. 27 in
Granite City, Illinois just north of St. Louis.
 Learn more about the
Quincy
area.
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