(Updated: June 25, 2025)
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** |
-- |
10.0 |
Lock & Dam 15
(RM 483) |
Rock Island, IL |
OPEN |
15.0 |
20.0 |
Locks & Dam 15 (Aux)
(RM 483) |
Rock Island, IL |
OPEN |
-- |
13.0 |
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 |
**LD14 Auxiliary Lock open seasonally Memorial Day weekend through Labor Day weekend (Fri. 4-10pm; Sat./Sun, Noon-10pm). Lock also open holidays of Memorial Day, 4th of July and Labor Day, along with special hours on Friday, Aug. 8 (open until midnight to assist recreational boaters attending Tugfest activities and fireworks display).
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 |
491.53 |
505.44 |
Marseilles
(RM 245) |
Marseilles, IL |
OPEN |
467.00 |
483.50 |
Starved Rock
(RM 231) |
Ottawa, IL |
OPEN |
450.00 |
461.50 |
Peoria
(RM 158) |
Creve Coeur, IL |
OPEN |
447.00 |
N/A
Open Pass |
LaGrange
(RM 80) |
Versailles, IL |
OPEN |
23.00 |
N/A
Open Pass |