US Army Corps of Engineers
Rock Island District Website

Lock Status

(Updated: July 1, 2020)

Locks within the Rock Island District may close throughout the year due to high water or scheduled/unscheduled maintenance. The District will update this site regularly (Monday-Friday) with available information regarding the status of each lock. Current lock status information for all locks within the country can be found at: Lock Status Report.

Mississippi River

Name
(River Mile)
Location Status Flood Stage Closure Stage
Lock & Dam 11
(RM 583)
Dubuque, IA OPEN 16.0 20.8
Lock & Dam 12
(RM 556.5)
Bellevue, IA OPEN 17.0 18.4
Lock & Dam 13
(RM 522.5)
Fulton, IL OPEN 16.0 19.0
Lock & Dam 14
(RM 493.5)
Pleasant Valley, IA OPEN 11.0 14.0
Locks & Dam 14 (Aux)
(RM 493.5)
Pleasant Valley, IA

OPEN
(Fri. 4-10 p.m.)
(Sat./Sun. Noon - 10 p.m.)

   
Lock & Dam 15
(RM 483)
Rock Island, IL OPEN 15.0 20.0
Locks & Dam 15 (Aux)
(RM 483)
Rock Island, IL OPEN    
Lock & Dam 16
(RM 457)
Illinois City, IL OPEN 15.0 17.0
Lock & Dam 17
(RM 437)
New Boston, IL OPEN 15.0 18.1
Lock & Dam 18
(410.5)
Gladstone, IL OPEN 10.0 14.9
Lock & Dam 19
(RM 364)
Keokuk, IA OPEN 16.0 21.2
Lock & Dam 20
(RM 343)
Canton, MO OPEN 14.0 18.0
Lock & Dam 21
(RM 325)
Quincy, IL OPEN 17.0 21.9
Lock & Dam 22
(RM 301)
New London, MO OPEN 16.0

21.4

 

Illinois River

Name
(River Mile)
Location Status Flood Stage Closure Stage
Brandon Road
(RM 286)
Joliet, IL OPEN 507.00 539.40
Dresden Island
(RM 272)
Morris, IL OPEN
(Daytime Closure July 1-2, 7 a.m. - 5:30 p.m.)
491.53 505.44
Marseilles
(RM 245)
Marseilles, IL OPEN
(Closure begins July 6)
467.00 483.50
Starved Rock
(RM 231)
Ottawa, IL CLOSED 450.00 461.50
Peoria
(RM 158)
Creve Coeur, IL

OPEN
(Closure begins July 6)

447.00

N/A
Open Pass

LaGrange
(RM 80)
Verseilles, IL CLOSED 23.00

N/A
Open Pass