US Army Corps of Engineers
Rock Island District

Lock Status

(Updated: August 15, 2019)

Locks may close throughout the summer due to scheduled or unscheduled maintenance. During high water events, this page will show updated information regarding the status of each lock. For current lock status during the rest of the year, visit the Corps' Lock Performance Monitoring System, Lock Status Report @ Lock Status Report

Illinois River       
           

Lock  

Location

Status

T.J. O'Brien  Chicago, Illinois Open
Lockport Lockport, Illinois Open
Brandon Road Joliet, Illinois Open
Dresden Island Morris, Illinois Open
Marseilles Marseilles, Illinois Closed 6 a.m. - 6 p.m. daily for maintenance.
Starved Rock Ottawa, Illinois Closed 6 a.m. - 6 p.m. daily for maintenance.
Peoria Creve Coeur, Illinois Open
LaGrange Verseilles, Illinois Open
           

 

Mississippi River 
                       

Lock 

Location

Status

Lock and Dam 11 Dubuque, Iowa Open
Lock and Dam 12  Bellevue, Iowa  Open
Lock and Dam 13  Fulton, Illinois  Open
Lock and Dam 14  Pleasant Valley, Iowa  Open
Lock and Dam 15  Rock Island, Illinois  Open
Lock and Dam 16  Muscatine, Iowa  Open
Lock and Dam 17  New Boston, Illinois  Open
Lock and Dam 18  Gladstone, Illinois  Open
Lock and Dam 19  Keokuk, Iowa  Open
Lock and Dam 20  Canton, Missouri  Open
Lock and Dam 21  Quincy, Illinois  Open
Lock and Dam 22  Saverton, Missouri  Open