Captain James Lowe
USCG 200 Ton Licensed Master
(727) 236-1385

ICW Bridges and Locks

Find bridges and locks throughout the U.S. navigable waterway system.

Search by state, waterway, or mile marker to locate bridge clearances, operating schedules, and lock information.

Schedules and operating conditions change. Always verify current information with the bridge tender, lockmaster, or the latest Local Notice to Mariners before relying on published times.

Or pick a state

All IL

20 results. Grouped by waterway. Open one. Sorted by mile marker.

Mississippi River · 7

Lock and Dam 27

Lock · Mississippi River · IL · Mile 185.5

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14 · 618-452-7107

Chain of Rocks.

Google Maps

Melvin Price Lock and Dam

Lock · Mississippi River · IL · Mile 200.8

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Replaced Lock 26.

Google Maps

Lock and Dam 21

Lock · Mississippi River · IL · Mile 324.9

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Google Maps

Lock and Dam 18

Lock · Mississippi River · IL · Mile 410.5

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Google Maps

Lock and Dam 17

Lock · Mississippi River · IL · Mile 437.1

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Google Maps

Lock and Dam 16

Lock · Mississippi River · IL · Mile 457.2

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Google Maps

Lock and Dam 15

Lock · Mississippi River · IL · Mile 483

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Rock Island.

Google Maps
Ohio River · 2

Smithland Lock and Dam

Lock · Ohio River · IL · Mile 918.5

22 ft lift

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Google Maps

Olmsted Locks and Dam

Lock · Ohio River · IL · Mile 964.4

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Replaced Locks 52 and 53.

Google Maps
Illinois Waterway · 7

LaGrange Lock and Dam

Lock · Illinois Waterway · IL · Mile 80.2

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Google Maps

Peoria Lock and Dam

Lock · Illinois Waterway · IL · Mile 157.7

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Google Maps

Starved Rock Lock and Dam

Lock · Illinois Waterway · IL · Mile 231

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Google Maps

Marseilles Lock and Dam

Lock · Illinois Waterway · IL · Mile 244.6

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Google Maps

Dresden Island Lock and Dam

Lock · Illinois Waterway · IL · Mile 271.5

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Google Maps

Brandon Road Lock and Dam

Lock · Illinois Waterway · IL · Mile 286

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Google Maps

Lockport Lock

Lock · Illinois Waterway · IL · Mile 291

Confirm with lockmaster.

VHF 14

Google Maps
Calumet River · 1

T.J. O'Brien Lock and Dam

Lock · Calumet River · IL · Mile 326

1.5 ft lift

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Calumet River route. Alternate to Chicago River for taller boats.

Google Maps
Chicago River · 1

Chicago Lock

Lock · Chicago River · IL · Mile 0

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 16

Mouth of the Chicago River. Controls flow from Lake Michigan.

Google Maps
Chicago Sanitary and Ship Canal · 2

Lockport Lock

Lock · Chicago Sanitary and Ship Canal · IL · Mile 36.2

39.6 ft lift

USACE. On demand. Confirm hours and closures. VHF 14.

VHF 14

Western end of the canal. Connects to Des Plaines River.

Google Maps

Lowest fixed bridge

Bridge · Chicago Sanitary and Ship Canal · IL · Mile 300.5

Fixed Vertical clearance: 19.6 ft fixed

Fixed. No opening. Lowest fixed clearance on the Great Loop.

Must clear 19.6 ft. No alternate around this bridge.

Google Maps
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