Lock and Dam No. 15

Infobox_Dam
dam_name=

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caption=Lock and Dam No. 15 on the Mississippi River. View is from the Illinois side of the river looking across to Davenport, Iowa.
official_name=
crosses= Upper Mississippi River
reservoir=Pool 15
locale=Rock Island, Illinois
maint= United States Army Corps of Engineers
length= convert|1203|ft|m|1
height=
width=
began=1931
open=March 7, 1934
closed=
reservoir_capacity=
reservoir_catchment=
reservoir_surface=
coordinates= coor dms|41|31|07|N|90|34|08|W|region:US_type:landmark
extra=

Lock and Dam No. 15 is a lock and dam located on the Upper Mississippi River. It spans the river between Rock Island, Illinois and Davenport, Iowa. Lock and Dam 15 is the largest roller dam in the world, its dam is convert|1203|ft|m|1 long and consists of nine convert|109|ft|m|1 non-submersible, non-overflow roller gates and two convert|109|ft|m|1 non-submersible overflow roller gates. It is unusual among the upper Mississippi River dams in that it has only roller gates, has different sizes and types of roller gates, it is not perpendicular to the flow of the river and is one of the few facilities that has a completed auxiliary lock. The main lock is convert|110|ft|m|1 wide by convert|600|ft|m|1 long and its auxiliary lock is convert|110|ft|m|1 wide by convert|360|ft|m|1 long. In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 15 Historic District, #04000175 covering convert|3590|acre|km2|1, 2 buildings, 9 structures, and 1 object.

ee also

*Government Bridge, passes near the locks.
*Rock Island Arsenal adjacent to the locks.

External links

* [http://www.mvr.usace.army.mil/missriver/VC%20Page/LDTour/Tour.HTM Tour of Locks and Dam 15]
* [http://hdl.loc.gov/loc.pnp/hhh.il0551 HAER - Mississippi River 9-Foot Channel Project, Lock & Dam No. 15, Upper Mississippi River (Arsenal Island), Rock Island, Rock Island County, IL]
* [http://www.mvr.usace.army.mil/MVRCams/RiverCam.asp US Army Corp of Engineers LD 15 Cam 2] – Live camera of Lock & Dam 15, picture updated every 60 seconds
*Geolinks-US-cityscale|41.517888|-90.566247