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  • Navigation Notice 23-48: Intermittent delays possible at Nickajack Lock

    Expiration date: 1/22/2024

    A contractor will be working to paint the wall armor at Nickajack Lock at Tennessee River mile 424.7 Nov. 6, 2023, to Jan. 19, 2024. During this period there could be intermittent delays up to four hours between 6 a.m. and 4:30 p.m. Monday through Saturday. Vessels are requested to contact the lock at 423-942-3985 with estimated time of arrival to minimize wait times. Call Nickajack Lock at 423-942-3985 for more information.

  • Navigation Notice 21-20: Tennessee River Lock closures scheduled for inspections

    Navigation Notice 21-20: A series of lock closures for hydraulic steel structure inspections are scheduled for navigation locks on the Tennessee River.

  • Navigation Notice 20-45: Intermittent closures at Nickajack Lock Dec. 14-18

    Nickajack Lock at Tennessee River mile 424.7 in Jasper, Tennessee, is undergoing a series of closures between 6 a.m. and 5 p.m. daily Dec. 14-18, 2020 for allision repairs. Traffic will be able to pass through the project during the non-work period. Call the lock at 423-667-0280 for more information.

  • Navigation Notice 20-41: Nickajack Lock closing Oct. 29 for mussel surveys

    Nickajack Lock at Tennessee River mile 424.7 in Jasper, Tennessee, is closing to navigation 9 a.m. to 4 p.m. Oct. 29, 2020 for mussel surveys by the Tennessee Wildlife Resources Agency. Mariners should stay clear of the area during this time period due to divers in the water. Contact the lock at 423-942-3985 or Marine Channel 13/16 with any questions or concerns.

  • Navigation Notice 20-40: Nickajack Lock adjusts closure dates

    Nickajack Lock at Tennessee River mile 424.7 in Jasper, Tennessee, is closed Sept. 15 through 6 p.m. Oct. 5, 2020. The lock will then undergo intermittent closures between 6 a.m. and 4 p.m. daily Oct. 6-13, 2020. It will resume normal operations 4 p.m. Oct. 13, 2020. The lock closures allow maintenance personnel to perform repairs on the upper and lower lock gates. Call the lock at 423-667-0280 for more information. This announcement is a related update to Navigation Notice 20-26.