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Welcome to Notices To Navigation Interest

The Notices To Navigation Interests (NTNI Notices) website contains navigation notices and policies issued by US Army Corps of Engineers Districts with a waterway navigation mission. These documents are disseminated according to EP 1130-2-520, Chapter 2, to inform mariners of information describing events that affect waterway navigation such as maintenance projects, hazards to navigation, and other pertinent information. The notices are removed from the page seven days past the end date on the latest amendment. The site also has Policy Notices that remain in place until superseded. This site does not contain all notices such as those published by other Federal agencies. Reference: The US Coast Guard Local Notice To Mariners site at: http://www.navcen.uscg.gov/?pageName=lnmMain
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Navigation Notices

Control NbrAmendment NbrTitleBegin DateEnd DateWaterwaysDistrict NameAttachments
20545014006-1LOCK RESTRICTION Lock and Dam 9, UMR Mile 647.9 IMMEDIATELYUNTIL FURTHER NOTICEST. PAUL DISTRICT
206558SCHEDULED LOCK CLOSURE UPDATE DARDANELLE LOCK (No. 10) NM 205.5 MCCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM2025/06/152025/10/01LITTLE ROCK DISTRICT
206022Lock Closure Lockport Lock2025/01/142025/03/11CHICAGO DISTRICT
207258207255-1SCHEDULED WINTER LOCK CLOSURES Locks 27 Main Lock, Melvin Price Main Lock, Lock 25 Upper Mississippi River mile 185.5, 200.5, and 241.42025/01/012025/04/01ST. LOUIS DISTRICT
205956Large Lock Closure #5 (Center Gate)2024/11/292024/12/29SEATTLE DISTRICT
205986205956-1Large Lock Closure #5 (Center Gate)2024/11/292024/12/29SEATTLE DISTRICT
205083Large Lock, Closure #4 - Installing Gates2024/10/152024/11/13LAKE WASHINGTON SHIP CANALSEATTLE DISTRICT
205722MCCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM WEBBERS FALLS LOCK AND DAM 16 NM 366.6 SCHEDULED LOCK CLOSURE2024/08/262024/09/08TULSA DISTRICT
207419USCG ADVISORY VAN BUREN RAILROAD BRIDGE (NM 300.8) MCCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM2024/08/222024/09/08LITTLE ROCK DISTRICT
207421207419-1USCG ADVISORY UPDATE VAN BUREN RAILROAD BRIDGE (NM 300.8) MCCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM2024/08/222024/09/09LITTLE ROCK DISTRICT
207545AUXILIARY CHAMBER CLOSURE GREENUP LOCKS AND DAM OHIO RIVER, MILE 341.02024/08/192024/09/09HUNTINGTON DISTRICT
206304205802-2MCCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM VAN BUREN RAILROAD BRIDGE (NM 300.8) USCG ADVISORY – UPDATE #22024/08/162024/09/08LITTLE ROCK DISTRICT
207154MISSISSIPPI RIVER LOCK CLOSURE Lock & Dam 21, River Mile 324.92024/08/132024/08/14ROCK ISLAND DISTRICT
207562LOCK CLOSURE Lock and Dam 10, UMR Mile 615.12024/08/132024/08/23ST. PAUL DISTRICT
207581207562-1LOCK CLOSURE Lock and Dam 10, UMR Mile 615.12024/08/132024/08/23ST. PAUL DISTRICT
206818Barkley Lock CRM 30.6 Closure2024/08/122024/09/07NASHVILLE DISTRICT
206895206818-1Barkley Lock CRM 30.6 Closure2024/08/122024/09/07NASHVILLE DISTRICT
207587USCG ADVISORY VAN BUREN RAILROAD BRIDGE (NM 300.8) MCCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM 2024/08/102024/08/11LITTLE ROCK DISTRICT
207481MARKLAND LOCKS & DAM LOCK CHAMBER CLOSURES OHIO RIVER MILE 531.52024/08/032024/08/12LOUISVILLE DISTRICT
207588OPERATIONAL STATUS – MACARTHUR LOCK ST. MARYS FALLS CANAL 2024/08/012024/08/01DETROIT DISTRICT
207440SCHEDULED LOCK CLOSURE UPDATE DARDANELLE LOCK (No. 10) NM 205.5 MCCLELLAN-KERR ARKANSAS RIVER NAVIGATION SYSTEM 2024/07/302024/10/01LITTLE ROCK DISTRICT
207480REPAIRS Gulf Intracoastal Waterway Port Allen Lock2024/07/302024/08/16NEW ORLEANS DISTRICT
207589207354-5NOTICE OF INTERMINTTENT CLOSURE DUE TO OVERHEAD BRIDGE WORK2024/07/302024/08/03TULSA DISTRICT
207591207354-6NOTICE OF INTERMINTTENT CLOSURE DUE TO OVERHEAD BRIDGE WORK2024/07/302024/08/03TULSA DISTRICT
207543207354-3NOTICE OF INTERMINTTENT CLOSURE DUE TO OVERHEAD BRIDGE WORK2024/07/292024/07/31TULSA DISTRICT
207544OHIO RIVER LOUISVILLE DISTRICT LAND CHAMBER FLUSHING SMITHLAND LOCKS & DAM (ORM 918.5)2024/07/292024/08/03LOUISVILLE DISTRICT
207547207354-4NOTICE OF INTERMINTTENT CLOSURE DUE TO OVERHEAD BRIDGE WORK2024/07/292024/07/31TULSA DISTRICT
207586SUBMARINE CROSSING DIVE INSPECTION GREENUP LOCKS AND DAM OHIO RIVER, MILE 341.52024/07/292024/07/29HUNTINGTON DISTRICT
207590OHIO RIVER LOUISVILLE DISTRICT CHANNEL MAINTENANCE DREDGING NINE MILE BAR OHIO RIVER MILE 4562024/07/282024/08/02LOUISVILLE DISTRICT
207585Dredging Mississippi River Mile 483.0 Lake Providence Harbor2024/07/272024/08/26VICKSBURG DISTRICT
207583SHOALING REPORTED - Waukegan Harbor, Illinois2024/07/26UNTIL FURTHER NOTICECHICAGO DISTRICTLC_01_WKH_20240419_CS_10.PDF
207592207583-1SHOALING REPORTED - Waukegan Harbor, Illinois2024/07/26UNTIL FURTHER NOTICECHICAGO DISTRICT
207393207354-2NOTICE OF INTERMINTTENT CLOSURE DUE TO OVERHEAD BRIDGE WORK2024/07/252024/07/26TULSA DISTRICT
207504OPERATIONAL STATUS –MACARTHUR LOCK ST. MARYS FALLS CANAL 2024/07/252024/07/25DETROIT DISTRICT
207521EQUIPMENT INSPECTIONS & HURRICANE PREPARATIONS Gulf Intracoastal Waterway Inner Harbor Navigation Canal (IHNC) Lock2024/07/252024/07/27NEW ORLEANS DISTRICT
207561MISSISSIPPI RIVER MECHANICAL DREDGING (STRIKE REMOVAL) Finley’s Landing, UMR Mile 595.9-596.32024/07/25UNTIL FURTHER NOTICEROCK ISLAND DISTRICT
207563Dredging Red River Mile 168.5 Lower Approach to Lock and Dam #42024/07/252024/07/28VICKSBURG DISTRICT
207417ILLINOIS WATERWAY LOCK CLOSURE PEORIA LOCK AND DAM, RM 157.72024/07/242024/07/25ROCK ISLAND DISTRICT
207418207417-1ILLINOIS WATERWAY LOCK CLOSURE PEORIA LOCK AND DAM, RM 157.72024/07/242024/07/25ROCK ISLAND DISTRICT
207542207417-3CANCELLED ILLINOIS WATERWAY LOCK CLOSURE PEORIA LOCK AND DAM, RM 157.72024/07/242024/07/25ROCK ISLAND DISTRICT
207584Revised Schedule of Operations for Cordell Hull Lock Cumberland River Mile 313.5 2024/07/24UNTIL FURTHER NOTICENASHVILLE DISTRICT
207414SCHEDULED LOCK OUTAGE AT MCNARY NAVIGATION LOCK2024/07/232024/07/09WALLA WALLA DISTRICT
207415207414-1SCHEDULED LOCK OUTAGE AT MCNARY NAVIGATION LOCK2024/07/232024/07/23WALLA WALLA DISTRICT
207478FLUSHING OPERATIONS Old River Control Structures and Atchafalaya River2024/07/232024/07/23NEW ORLEANS DISTRICT
207541207417-2CANCELLED ILLINOIS WATERWAY LOCK CLOSURE PEORIA LOCK AND DAM, RM 157.72024/07/222024/07/23ROCK ISLAND DISTRICT
207477REPAIRS Gulf Intracoastal Waterway Leland Bowman Lock2024/07/202024/07/22NEW ORLEANS DISTRICT
207482OHIO RIVER LOUISVILLE DISTRICT CHANNEL MAINTENANCE DREDGING MCALPINE LOWER APPROACH OHIO RIVER MILE 607.52024/07/192024/07/28LOUISVILLE DISTRICT
207502BLACK WARRIOR/TOMBIGBEE RIVER, ALABAMA LOCK CLOSURE AT HOLT LOCK & DAM, MILE 3472024/07/19UNTIL FURTHER NOTICEMOBILE DISTRICT
207503207502-1BLACK WARRIOR/TOMBIGBEE RIVER, ALABAMA LOCK CLOSURE AT HOLT LOCK & DAM, MILE 3472024/07/19UNTIL FURTHER NOTICEMOBILE DISTRICT
207260Wilson Lock Main Chamber at TRM 259.4 2024/07/182024/08/08NASHVILLE DISTRICT
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