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

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

Gulf Intracoastal Waterway · 9

Algiers Lock

Lock · Gulf Intracoastal Waterway · LA · Mile 0

Confirm with lockmaster. USACE publishes current status.

VHF 14

Gulf ICW / Mississippi system.

Google Maps

Harvey Lock

Lock · Gulf Intracoastal Waterway · LA · Mile 0

Confirm with lockmaster.

VHF 14

Google Maps

Bayou Boeuf Lock

Lock · Gulf Intracoastal Waterway · LA · Mile 93

USACE. On demand. Confirm hours and closures.

VHF 14 · 985-384-7202

West of Harvey. Atchafalaya Basin.

Google Maps

Louisa Bascule Bridge

Bridge · Gulf Intracoastal Waterway · LA · Mile 134

Bascule Vertical clearance: 73 ft

Bascule. Opens with 24 hours notice.

VHF 13

Google Maps

Leland Bowman Lock

Lock · Gulf Intracoastal Waterway · LA · Mile 163

USACE. On demand. Confirm hours and closures.

VHF 14 · 337-893-6790

Saltwater guard lock. West of Harvey.

Google Maps

Grand Lake Pontoon Bridge

Bridge · Gulf Intracoastal Waterway · LA · Mile 231.5

Movable Vertical clearance: 0 ft

Pontoon. Opens on demand.

VHF 13

Google Maps

Black Bayou Pontoon Bridge

Bridge · Gulf Intracoastal Waterway · LA · Mile 238

Movable Vertical clearance: 0 ft

Pontoon. Opens on demand. Closed weekday rush hours.

VHF 13

Google Maps

Calcasieu Lock

Lock · Gulf Intracoastal Waterway · LA · Mile 238.2

USACE. On demand. Confirm hours and closures.

VHF 13 · 337-477-1482

Saltwater guard lock.

Google Maps

Ellender Lift Bridge

Bridge · Gulf Intracoastal Waterway · LA · Mile 243.8

Lift Vertical clearance: 50 ft

Lift. Opens on demand with 4 hours notice.

VHF 13

Google Maps
Industrial Canal · 7

Danziger Bridge

Bridge · Industrial Canal · LA · Mile 0

Lift Vertical clearance: —

Lift. US 90. Opens on demand.

VHF 13

Google Maps

Seabrook Bridge

Bridge · Industrial Canal · LA · Mile 0

Bascule Vertical clearance: —

Bascule. Lake Pontchartrain end.

VHF 13

Google Maps

St Claude Avenue Bridge

Bridge · Industrial Canal · LA · Mile 0

Bascule Vertical clearance: —

Bascule. Opens on demand.

VHF 13

Google Maps

Inner Harbor Navigation Canal Lock

Lock · Industrial Canal · LA · Mile 6.5

On demand. Works with the Florida Avenue, Claiborne, and St. Claude bridges.

VHF 14 · 504-945-2157

Ship lock. New Orleans. GIWW east.

Google Maps

North Claiborne Avenue Lift Bridge

Bridge · Industrial Canal · LA · Mile 6.7

Lift Vertical clearance: 40 ft

Lift. Opens on demand. Closed weekday rush hours.

VHF 13

Google Maps

Florida Avenue Lift Bridge

Bridge · Industrial Canal · LA · Mile 7.5

Lift Vertical clearance: 0 ft

Lift. Opens on demand. Closed weekday rush hours.

VHF 13

Google Maps

Paris Road Bridge

Bridge · Industrial Canal · LA · Mile 13

Fixed Vertical clearance: 137 ft

Fixed bridge.

VHF 14

GIWW east.

Google Maps
Harvey Canal · 5

Harvey Lock

Lock · Harvey Canal · LA · Mile 0

On demand.

VHF 14 · 504-366-4683

Mississippi River to the GIWW west.

Google Maps

Union Pacific Railroad Bascule Bridge

Bridge · Harvey Canal · LA · Mile 0.1

Bascule Vertical clearance: 7 ft

Bascule. Opens on demand.

VHF 13

Google Maps

4th Street Bascule Bridge

Bridge · Harvey Canal · LA · Mile 0.2

Bascule Vertical clearance: 7 ft

Bascule. Opens on demand.

VHF 13

Google Maps

West Bank Expressway Bridge

Bridge · Harvey Canal · LA · Mile 0.8

Fixed Vertical clearance: 95 ft

Fixed bridge.

VHF 14

Google Maps

Lapalco Boulevard Bascule Bridge

Bridge · Harvey Canal · LA · Mile 2.8

Bascule Vertical clearance: 45 ft

Bascule. Opens on demand.

VHF 13

Google Maps
Algiers Canal · 1

Algiers Lock

Lock · Algiers Canal · LA · Mile 0

On demand.

VHF 14 · 504-394-7221

Mississippi River to the GIWW.

Google Maps
Port Allen Alternate Route · 2

Bayou Sorrel Lock

Lock · Port Allen Alternate Route · LA · Mile 36.6

21 ft lift

USACE. On demand. Confirm hours and closures.

VHF 14 · 225-659-7773

Atchafalaya Basin alternate route.

Google Maps

Port Allen Lock

Lock · Port Allen Alternate Route · LA · Mile 64.1

45 ft lift

USACE. On demand. Confirm hours and closures.

VHF 14 · 225-343-3752

Mississippi River opposite Baton Rouge to the GIWW at Morgan City.

Google Maps
Bayou Teche · 1

Keystone Lock

Lock · Bayou Teche · LA · Mile 0

Confirm hours.

VHF 13

St. Martin Parish. Upper Bayou Teche.

Google Maps
Bayou Lafourche · 5

Golden Meadow Floodgate

Lock · Bayou Lafourche · LA · Mile 0

South Lafourche Levee District. Confirm status.

VHF 13

Google Maps

Larose Floodgate

Lock · Bayou Lafourche · LA · Mile 0

South Lafourche Levee District. Confirm status.

VHF 13

Not a through lock. Bayou Lafourche is closed from the Mississippi by a levee.

Google Maps

Golden Meadow Lift Bridge

Bridge · Bayou Lafourche · LA · Mile 23.9

Lift Vertical clearance: —

Lift. Opens on demand.

VHF 13

Google Maps

Galliano Lift Bridge

Bridge · Bayou Lafourche · LA · Mile 30.6

Lift Vertical clearance: —

Lift. Opens on demand.

VHF 13

Google Maps

Larose Lift Bridge

Bridge · Bayou Lafourche · LA · Mile 38.7

Lift Vertical clearance: —

Lift. Opens on demand.

VHF 13

Google Maps
Calcasieu River · 1

Calcasieu River Saltwater Barrier

Lock · Calcasieu River · LA · Mile 0

USACE. On demand. Confirm hours and closures.

VHF 13

Ship channel.

Google Maps
Freshwater Bayou · 1

Freshwater Bayou Lock

Lock · Freshwater Bayou · LA · Mile 0

USACE. On demand. Confirm hours and closures.

VHF 13

Inland waterway near Pecan Island.

Google Maps
Mississippi River · 1

Port Allen Lock

Lock · Mississippi River · LA · Mile 0

Confirm with lockmaster. Connects Mississippi to Gulf ICW.

VHF 14

Google Maps
Atchafalaya River · 1

Berwick Lock

Lock · Atchafalaya River · LA · Mile 0

USACE. On demand. Confirm hours and closures.

VHF 13

Bayou Teche into the lower Atchafalaya. Morgan City.

Google Maps
Red River Waterway · 5

Joe D Waggoner Lock

Lock · Red River Waterway · LA · Mile 0

USACE. On demand. Confirm hours and closures.

VHF 13

Lock and Dam 5.

Google Maps

John H Overton Lock

Lock · Red River Waterway · LA · Mile 0

USACE. On demand. Confirm hours and closures.

VHF 13

Lock and Dam 2.

Google Maps

Lindy Claiborne Boggs Lock

Lock · Red River Waterway · LA · Mile 0

USACE. On demand. Confirm hours and closures.

VHF 13

Lock and Dam 1. Mississippi River to Shreveport.

Google Maps

Red River Lock and Dam 3

Lock · Red River Waterway · LA · Mile 0

USACE. On demand. Confirm hours and closures.

VHF 13

Google Maps

Russell B Long Lock

Lock · Red River Waterway · LA · Mile 0

USACE. On demand. Confirm hours and closures.

VHF 13

Lock and Dam 4.

Google Maps
Ouachita River · 2

Columbia Lock and Dam

Lock · Ouachita River · LA · Mile 0

USACE. On demand. Confirm hours and closures.

VHF 13

Google Maps

Jonesville Lock and Dam

Lock · Ouachita River · LA · Mile 0

USACE. On demand. Confirm hours and closures.

VHF 13

Black River / Ouachita.

Google Maps
Old River · 1

Old River Lock

Lock · Old River · LA · Mile 1

35 ft lift

USACE. On demand. Confirm hours and closures.

VHF 13

Mississippi River to the Atchafalaya.

Google Maps
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