{"id":48881,"date":"2025-11-25T15:23:18","date_gmt":"2025-11-25T20:23:18","guid":{"rendered":"https:\/\/greatlakes-seaway.com\/?page_id=48881"},"modified":"2026-04-01T10:37:50","modified_gmt":"2026-04-01T15:37:50","slug":"infrastructure-maintenance","status":"publish","type":"page","link":"https:\/\/greatlakes-seaway.com\/en\/for-our-communities\/infrastructure-maintenance\/","title":{"rendered":"Infrastructure Maintenance"},"content":{"rendered":"<p>Each year, the St. Lawrence Seaway Management Corporation invests millions of dollars in the maintenance and operation of its infrastructure in Quebec and Ontario. These recurring investments contribute to the economic vitality of our communities while also ensuring the Seaway system remains safe, reliable and efficient well into the future.<\/p>\n<p><strong>Below you will find information on major maintenance projects. Additional information will be provided as projects progress so make sure to check back regularly.<\/strong><\/p>\n<p><strong>Please note: Dates and details are subject to change. This list is not exhaustive.<\/strong><\/p>\n<p>For the latest bridge lift information, please visit our Bridge Status page (<a href=\"https:\/\/greatlakes-seaway.com\/en\/recreational-boating\/bridge-status\/\">click here<\/a>).<\/p>\n<h4><strong>Montreal &#8211; Lake Ontario Section<\/strong><\/h4>\n<style>#sp-ea-50727 .spcollapsing { height: 0; overflow: hidden; transition-property: height;transition-duration: 300ms;}#sp-ea-50727.sp-easy-accordion>.sp-ea-single {margin-bottom: 10px; border: 1px solid #e2e2e2; }#sp-ea-50727.sp-easy-accordion>.sp-ea-single>.ea-header a {color: #ffffff;}#sp-ea-50727.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body {background: #f2f2f2; color: #444;}#sp-ea-50727.sp-easy-accordion>.sp-ea-single {background: #014872;}#sp-ea-50727.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon { float: left; color: #ffffff;font-size: 16px;}<\/style><div id=\"sp_easy_accordion-1775051982\"><div id=\"sp-ea-50727\" class=\"sp-ea-one sp-easy-accordion\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\"><div class=\"ea-card ea-expand sp-ea-single\"><h1 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-507270\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse507270\" aria-controls=\"collapse507270\" href=\"#\" aria-expanded=\"true\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-minus\"><\/i> Larocque Bridge<\/a><\/h1><div class=\"sp-collapse spcollapse collapsed show\" id=\"collapse507270\" data-parent=\"#sp-ea-50727\" role=\"region\" aria-labelledby=\"ea-header-507270\"> <div class=\"ea-body\"><p><strong>Location:<\/strong> Valleyfield, Quebec<\/p><p><strong>Closure Dates: <\/strong>April 11 and 12 from 3 am to 3 pm (both days)<\/p><style>#sp-ea-50737 .spcollapsing { height: 0; overflow: hidden; transition-property: height;transition-duration: 300ms;}#sp-ea-50737.sp-easy-accordion>.sp-ea-single {margin-bottom: 10px; border: 0px none #ffffff; }#sp-ea-50737.sp-easy-accordion>.sp-ea-single>.ea-header a {color: #444;}#sp-ea-50737.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body {background: #fff; color: #444;}#sp-ea-50737.sp-easy-accordion>.sp-ea-single {background: #f2f2f2;}#sp-ea-50737.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon { float: left; color: #2155ce;font-size: 12px;}<\/style><div id=\"sp_easy_accordion-1775053600\"><div id=\"sp-ea-50737\" class=\"sp-ea-one sp-easy-accordion\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\"><div class=\"ea-card sp-ea-single\"><h5 class=\"ea-header\"><a class=\"collapsed\" id=\"ea-header-507370\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse507370\" aria-controls=\"collapse507370\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> Expand for full project information<\/a><\/h5><div class=\"sp-collapse spcollapse spcollapse\" id=\"collapse507370\" data-parent=\"#sp-ea-50737\" role=\"region\" aria-labelledby=\"ea-header-507370\"> <div class=\"ea-body\"><p><strong>Project Type:<\/strong> Closure for maintenance work on the operating cables of the bridge lift system.<\/p><p><strong>Closure Details:<\/strong><\/p><ul><li>Dates: April 11 and 12, 2026<\/li><li>Lane closures: from 3:00 a.m. to 3:00 p.m. (both days)<\/li><\/ul><p><strong>Work Summary:<\/strong><br \/>Essential maintenance work will be carried out on the operating cables of the bridge lift system. This work is necessary to ensure reliable operations and to prevent more significant service interruptions.<\/p><p>The work will be spread over two days in order to minimize impacts and avoid a complete closure for the entire duration of the work.<\/p><p>We thank the public for their understanding and cooperation during the completion of this work.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n<h4><strong>Welland Canal Section<\/strong><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Each year, the St. Lawrence Seaway Management Corporation invests millions of dollars in the maintenance and operation of its infrastructure in Quebec and Ontario. These recurring investments contribute to the economic vitality of our communities while also ensuring the Seaway system remains safe, reliable and efficient well into the future. Below you will find information<\/p>\n","protected":false},"author":2,"featured_media":48978,"parent":159,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"class_list":["post-48881","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Infrastructure Maintenance - Great Lakes St. Lawrence Seaway System<\/title>\n<meta name=\"description\" content=\"Each year, the St. Lawrence Seaway Management Corporation invests millions of dollars in the maintenance and operation of its infrastructure in Quebec and\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/greatlakes-seaway.com\/en\/for-our-communities\/infrastructure-maintenance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Infrastructure Maintenance - 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