{"id":974,"date":"2018-04-20T21:10:34","date_gmt":"2018-04-20T21:10:34","guid":{"rendered":"https:\/\/placepourtoi.appwapp.com\/?post_type=portfolio&#038;p=974"},"modified":"2023-09-19T16:24:37","modified_gmt":"2023-09-19T20:24:37","slug":"1960-the-louis-hippolyte-la-fontaine-bridge-tunnel","status":"publish","type":"portfolio","link":"https:\/\/www.placepourtoi.ca\/en\/lingenierie-a-travers-le-temps\/1960-the-louis-hippolyte-la-fontaine-bridge-tunnel\/","title":{"rendered":"1960-The Louis-Hippolyte-la-Fontaine Bridge-Tunnel"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lmqrk273-d7b4c7dd9b5f30ea29b3da661cedf847\">\n.avia-section.av-lmqrk273-d7b4c7dd9b5f30ea29b3da661cedf847{\nbackground-repeat:no-repeat;\nbackground-image:url(https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW.jpg);\nbackground-position:50% 100%;\nbackground-attachment:fixed;\n}\n.avia-section.av-lmqrk273-d7b4c7dd9b5f30ea29b3da661cedf847 .av-section-color-overlay{\nopacity:0.4;\nbackground-color:#000000;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-lmqrk273-d7b4c7dd9b5f30ea29b3da661cedf847 main_color avia-section-default avia-shadow  avia-builder-el-0  el_before_av_section  avia-builder-el-first  avia-full-stretch avia-bg-style-fixed av-section-color-overlay-active av-minimum-height av-minimum-height-75 av-height-75  container_wrap fullsize'  data-section-bg-repeat='stretch' data-av_minimum_height_pc='75' data-av_min_height_opt='75'><div class=\"av-section-color-overlay-wrap\"><div class=\"av-section-color-overlay\"><\/div><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-974'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_full-15d750bd1b332b34c6e70b077ebbccdf\">\n.flex_column.av-av_one_full-15d750bd1b332b34c6e70b077ebbccdf{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_full-15d750bd1b332b34c6e70b077ebbccdf av_one_full  avia-builder-el-1  avia-builder-el-no-sibling  first flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-ba0319edf04fd62ab826e21dc9605d56\">\n#top .hr.hr-invisible.av-av_hr-ba0319edf04fd62ab826e21dc9605d56{\nheight:35px;\n}\n<\/style>\n<div  class='hr av-av_hr-ba0319edf04fd62ab826e21dc9605d56 hr-invisible  avia-builder-el-2  el_before_av_heading  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-e681493925a8ffb93b2e85ca5bc2fef9\">\n#top .av-special-heading.av-av_heading-e681493925a8ffb93b2e85ca5bc2fef9{\npadding-bottom:10px;\nfont-size:36px;\n}\nbody .av-special-heading.av-av_heading-e681493925a8ffb93b2e85ca5bc2fef9 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-av_heading-e681493925a8ffb93b2e85ca5bc2fef9 .av-special-heading-tag{\nfont-size:36px;\n}\n.av-special-heading.av-av_heading-e681493925a8ffb93b2e85ca5bc2fef9 .av-subheading{\nfont-size:22px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-av_heading-e681493925a8ffb93b2e85ca5bc2fef9 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-av_heading-e681493925a8ffb93b2e85ca5bc2fef9 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-e681493925a8ffb93b2e85ca5bc2fef9 av-special-heading-h2 blockquote modern-quote modern-centered  avia-builder-el-3  el_after_av_hr  el_before_av_heading  av-inherit-size'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >1960<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-92903392519f1825aad924c441b110b8\">\n#top .av-special-heading.av-av_heading-92903392519f1825aad924c441b110b8{\npadding-bottom:10px;\nfont-size:66px;\n}\nbody .av-special-heading.av-av_heading-92903392519f1825aad924c441b110b8 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-av_heading-92903392519f1825aad924c441b110b8 .av-special-heading-tag{\nfont-size:66px;\n}\n.av-special-heading.av-av_heading-92903392519f1825aad924c441b110b8 .av-subheading{\nfont-size:22px;\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-av_heading-92903392519f1825aad924c441b110b8 .av-special-heading-tag{\nfont-size:44px;\n}\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-av_heading-92903392519f1825aad924c441b110b8 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-92903392519f1825aad924c441b110b8 av-special-heading-h2 blockquote modern-quote modern-centered  avia-builder-el-4  el_after_av_heading  el_before_av_textblock  av-inherit-size'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >The Louis-Hippolyte-la-Fontaine Bridge-Tunnel<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_textblock-6db45c55292749d0f15604c46d43b6e9\">\n#top .av_textblock_section.av-av_textblock-6db45c55292749d0f15604c46d43b6e9 .avia_textblock{\nfont-size:24px;\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-av_textblock-6db45c55292749d0f15604c46d43b6e9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"text-align: center;\">Opened on March 11, 1967, the bridge-tunnel is now 42 years old and the repair and servicing work is necessary if it is going to continue to hold the record for\u2026 the longest underwater tunnel in Canada!<\/p>\n<\/div><\/section><\/p><\/div>\n\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><\/div><div id='av_section_2'  class='avia-section av-av_section-15c5251244af94bc38ede364dd64ad81 alternate_color avia-section-default avia-no-border-styling  avia-builder-el-6  el_after_av_section  el_before_av_section  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-974'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-48dd840c68c34b08a701e1ed7d6a83fe\">\n#top .hr.hr-invisible.av-av_hr-48dd840c68c34b08a701e1ed7d6a83fe{\nmargin-top:-50px;\nheight:1px;\n}\n<\/style>\n<div  class='hr av-av_hr-48dd840c68c34b08a701e1ed7d6a83fe hr-invisible  avia-builder-el-7  el_before_av_one_half  avia-builder-el-first '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-281e5e276091fda55f532d603adfaad6\">\n.flex_column.av-av_one_half-281e5e276091fda55f532d603adfaad6{\nborder-radius:0px 0px 0px 0px;\npadding:5% 5% 5% 5%;\n}\n<\/style>\n<div  class='flex_column av-av_one_half-281e5e276091fda55f532d603adfaad6 av_one_half  avia-builder-el-8  el_after_av_hr  el_before_av_one_half  first flex_column_div av-animated-generic bottom-to-top  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44\">\n#top .av_textblock_section.av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44 .avia_textblock{\ncolor:#252525;\n}\n<\/style>\n<section  class='av_textblock_section av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>Every day, <strong>120,000 vehicles<\/strong> use the Louis-Hippolyte\u2013La Fontaine bridge-tunnel, which is occasionally closed for repairs or servicing.<\/p>\n<p>Opened on March 11, 1967, the bridge-tunnel is now 42 years old and the repair and servicing work is necessary if it is going to continue to hold the record for\u2026 the longest underwater tunnel in Canada!<\/p>\n<p>The Louis-Hippolyte\u2013La Fontaine Bridge-Tunnel is part of the Trans-Canada Highway, which the federal government decided to build at the end of the 1940s. But to cross the Saint Lawrence from Montreal, there was some difficulty in choosing between building a new bridge or a tunnel under the river, which no one had ever done at that time.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_half-a0d636e1096244849da22447dbf6ae53\">\n.flex_column.av-av_one_half-a0d636e1096244849da22447dbf6ae53{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_one_half-a0d636e1096244849da22447dbf6ae53 av_one_half  avia-builder-el-10  el_after_av_one_half  el_before_av_hr  flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-7eab04b8a61e40927df88cec51dab66e\">\n.avia-image-container.av-av_image-7eab04b8a61e40927df88cec51dab66e img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-7eab04b8a61e40927df88cec51dab66e .av-caption-image-overlay-bg{\nopacity:0.4;\nbackground-color:#000000;\n}\n.avia-image-container.av-av_image-7eab04b8a61e40927df88cec51dab66e .av-image-caption-overlay-center{\ncolor:#ffffff;\nfont-size:15px;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-7eab04b8a61e40927df88cec51dab66e av-styling- av-img-linked avia-align-center  avia-builder-el-11  avia-builder-el-no-sibling  noHover av-overlay-on-hover'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW.jpg\" data-srcset=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW.jpg 1000w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-300x238.jpg 300w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-768x609.jpg 768w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-705x559.jpg 705w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-450x357.jpg 450w\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" class='avia_image '  aria-label='1000-Construction B&amp;W'><div class=\"av-image-caption-overlay\"><div class=\"av-caption-image-overlay-bg\"><\/div><div class=\"av-image-caption-overlay-position\"><div class=\"av-image-caption-overlay-center\"><p>Enlarge<\/p>\n<\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-7562 avia-img-lazy-loading-not-7562 avia_image ' src=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW.jpg\" alt='' title='1000-Construction B&amp;W'  height=\"793\" width=\"1000\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW.jpg 1000w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-300x238.jpg 300w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-768x609.jpg 768w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-705x559.jpg 705w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-450x357.jpg 450w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-4474f20d2389e2e5ecf918a02da5132e\">\n#top .hr.hr-invisible.av-av_hr-4474f20d2389e2e5ecf918a02da5132e{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-av_hr-4474f20d2389e2e5ecf918a02da5132e hr-invisible  avia-builder-el-12  el_after_av_one_half  el_before_av_two_fifth '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div class='flex_column_table av-av_two_fifth-1f15b01c231f8b34e1362c844f22d166 sc-av_two_fifth av-equal-height-column-flextable'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_two_fifth-1f15b01c231f8b34e1362c844f22d166\">\n.flex_column.av-av_two_fifth-1f15b01c231f8b34e1362c844f22d166{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_two_fifth-1f15b01c231f8b34e1362c844f22d166 av_two_fifth  avia-builder-el-13  el_after_av_hr  el_before_av_three_fifth  first flex_column_table_cell av-equal-height-column av-align-middle av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-3cf9f4d68c838027e15314a07ae7431f\">\n.avia-image-container.av-av_image-3cf9f4d68c838027e15314a07ae7431f img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-3cf9f4d68c838027e15314a07ae7431f .av-caption-image-overlay-bg{\nopacity:0.4;\nbackground-color:#000000;\n}\n.avia-image-container.av-av_image-3cf9f4d68c838027e15314a07ae7431f .av-image-caption-overlay-center{\ncolor:#ffffff;\nfont-size:15px;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-3cf9f4d68c838027e15314a07ae7431f av-styling- av-img-linked avia-align-center  avia-builder-el-14  avia-builder-el-no-sibling  noHover av-overlay-on-hover'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3.jpg\" data-srcset=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3.jpg 1000w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3-300x234.jpg 300w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3-768x599.jpg 768w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3-705x550.jpg 705w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3-450x351.jpg 450w\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" class='avia_image '  aria-label='1000-Construction B&amp;W 3'><div class=\"av-image-caption-overlay\"><div class=\"av-caption-image-overlay-bg\"><\/div><div class=\"av-image-caption-overlay-position\"><div class=\"av-image-caption-overlay-center\"><p>Enlarge<\/p>\n<\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-7592 avia-img-lazy-loading-not-7592 avia_image ' src=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3-300x234.jpg\" alt='' title='1000-Construction B&amp;W 3'  height=\"234\" width=\"300\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3-300x234.jpg 300w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3-768x599.jpg 768w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3-705x550.jpg 705w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3-450x351.jpg 450w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-3.jpg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/div><\/div><\/div><\/div><div class='av-flex-placeholder'><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_three_fifth-b5e291d0ad1851cf6fa13a59eae12aa1\">\n.flex_column.av-av_three_fifth-b5e291d0ad1851cf6fa13a59eae12aa1{\nborder-radius:0px 0px 0px 0px;\npadding:5% 5% 5% 5%;\n}\n<\/style>\n<div  class='flex_column av-av_three_fifth-b5e291d0ad1851cf6fa13a59eae12aa1 av_three_fifth  avia-builder-el-15  el_after_av_two_fifth  el_before_av_one_full  flex_column_table_cell av-equal-height-column av-align-middle av-animated-generic bottom-to-top  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44\">\n#top .av_textblock_section.av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44 .avia_textblock{\ncolor:#252525;\n}\n<\/style>\n<section  class='av_textblock_section av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>Two Qu\u00e9bec engineers, Armand Couture and Per Hall, who knew of a new building technique, suggested a mixed solution: a 1.4 kilometre tunnel composed of seven concrete caissons immersed in 24 metres of water that would connect Montreal to \u00cele Charron, followed by a 500-metre bridge to Longueuil.<\/p>\n<\/div><\/section><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_full-281e5e276091fda55f532d603adfaad6\">\n.flex_column.av-av_one_full-281e5e276091fda55f532d603adfaad6{\nborder-radius:0px 0px 0px 0px;\npadding:5% 5% 5% 5%;\n}\n<\/style>\n<div  class='flex_column av-av_one_full-281e5e276091fda55f532d603adfaad6 av_one_full  avia-builder-el-17  el_after_av_three_fifth  el_before_av_three_fifth  first flex_column_div av-animated-generic bottom-to-top  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-38e20770fdd381e60edac189d19914a6\">\n#top .hr.av-av_hr-38e20770fdd381e60edac189d19914a6{\nmargin-top:30px;\nmargin-bottom:30px;\n}\n.hr.av-av_hr-38e20770fdd381e60edac189d19914a6 .hr-inner{\nwidth:50%;\nborder-color:#e8bb05;\n}\n<\/style>\n<div  class='hr av-av_hr-38e20770fdd381e60edac189d19914a6 hr-custom  avia-builder-el-18  el_before_av_textblock  avia-builder-el-first  hr-center hr-icon-no'><span class='hr-inner inner-border-av-border-fat'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44\">\n#top .av_textblock_section.av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44 .avia_textblock{\ncolor:#252525;\n}\n<\/style>\n<section  class='av_textblock_section av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p style=\"text-align: center;\">The work began on July 15, 1963 and was a real feat.<\/p>\n<p style=\"text-align: center;\">At the construction site on the river shore, caissons were cast in pre-stressed concrete and then floated and sunk to a trench dug at the bottom of the Saint Lawrence, where they were assembled.<\/p>\n<p style=\"text-align: center;\">This entire process was carried out without ever stemming the flow of maritime traffic, even though each caisson was as large as a football field and weighed <strong>32,000 tons<\/strong>!<\/p>\n<p style=\"text-align: center;\">More than 250,000 cubic metres of concrete and <strong>25,000\u00a0tons of steel<\/strong> were necessary to build the bridge-tunnel.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-38e20770fdd381e60edac189d19914a6\">\n#top .hr.av-av_hr-38e20770fdd381e60edac189d19914a6{\nmargin-top:30px;\nmargin-bottom:30px;\n}\n.hr.av-av_hr-38e20770fdd381e60edac189d19914a6 .hr-inner{\nwidth:50%;\nborder-color:#e8bb05;\n}\n<\/style>\n<div  class='hr av-av_hr-38e20770fdd381e60edac189d19914a6 hr-custom  avia-builder-el-20  el_after_av_textblock  avia-builder-el-last  hr-center hr-icon-no'><span class='hr-inner inner-border-av-border-fat'><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_three_fifth-281e5e276091fda55f532d603adfaad6\">\n.flex_column.av-av_three_fifth-281e5e276091fda55f532d603adfaad6{\nborder-radius:0px 0px 0px 0px;\npadding:5% 5% 5% 5%;\n}\n<\/style>\n<div  class='flex_column av-av_three_fifth-281e5e276091fda55f532d603adfaad6 av_three_fifth  avia-builder-el-21  el_after_av_one_full  el_before_av_two_fifth  first flex_column_div av-animated-generic bottom-to-top  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44\">\n#top .av_textblock_section.av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44 .avia_textblock{\ncolor:#252525;\n}\n<\/style>\n<section  class='av_textblock_section av-av_textblock-7aa4aa4bdc81633666c711a9ca347b44 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>The Louis-Hippolyte\u2013La Fontaine Bridge-Tunnel, which cost <strong>$75 million<\/strong>, is one of the largest pre-stressed concrete works in the world and has served as a model for Qu\u00e9bec engineers who built more of them around the world.<\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_two_fifth-cec70c55ab5422a5a5af58e3f87bd87b\">\n.flex_column.av-av_two_fifth-cec70c55ab5422a5a5af58e3f87bd87b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-av_two_fifth-cec70c55ab5422a5a5af58e3f87bd87b av_two_fifth  avia-builder-el-23  el_after_av_three_fifth  el_before_av_hr  flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_image-e43d1dd8a37c5acefdddf337d9e6686f\">\n.avia-image-container.av-av_image-e43d1dd8a37c5acefdddf337d9e6686f img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-av_image-e43d1dd8a37c5acefdddf337d9e6686f .av-caption-image-overlay-bg{\nopacity:0.4;\nbackground-color:#000000;\n}\n.avia-image-container.av-av_image-e43d1dd8a37c5acefdddf337d9e6686f .av-image-caption-overlay-center{\ncolor:#ffffff;\nfont-size:15px;\n}\n<\/style>\n<div  class='avia-image-container av-av_image-e43d1dd8a37c5acefdddf337d9e6686f av-styling- av-img-linked avia-align-center  avia-builder-el-24  avia-builder-el-no-sibling  noHover av-overlay-on-hover'   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2.jpg\" data-srcset=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2.jpg 1000w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2-300x241.jpg 300w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2-768x617.jpg 768w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2-705x566.jpg 705w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2-450x361.jpg 450w\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" class='avia_image '  aria-label='1000-Construction B&amp;W 2'><div class=\"av-image-caption-overlay\"><div class=\"av-caption-image-overlay-bg\"><\/div><div class=\"av-image-caption-overlay-position\"><div class=\"av-image-caption-overlay-center\"><p>Enlarge<\/p>\n<\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-7591 avia-img-lazy-loading-not-7591 avia_image ' src=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2.jpg\" alt='' title='1000-Construction B&amp;W 2'  height=\"803\" width=\"1000\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2.jpg 1000w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2-300x241.jpg 300w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2-768x617.jpg 768w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2-705x566.jpg 705w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/1000-Construction-BW-2-450x361.jpg 450w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-8de63e53ea6951f7746ef20e8168ceaf\">\n#top .hr.hr-invisible.av-av_hr-8de63e53ea6951f7746ef20e8168ceaf{\nheight:75px;\n}\n<\/style>\n<div  class='hr av-av_hr-8de63e53ea6951f7746ef20e8168ceaf hr-invisible  avia-builder-el-25  el_after_av_two_fifth  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504px) 100vw, 504px\" class='avia_image '  aria-label='En cuoleur 1'><div class=\"av-image-caption-overlay\"><div class=\"av-caption-image-overlay-bg\"><\/div><div class=\"av-image-caption-overlay-position\"><div class=\"av-image-caption-overlay-center\"><p>Enlarge<\/p>\n<\/div><\/div><\/div><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-7595 avia-img-lazy-loading-not-7595 avia_image ' src=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/En-cuoleur-1.jpg\" alt='' title='En cuoleur 1'  height=\"332\" width=\"504\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/En-cuoleur-1.jpg 504w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/En-cuoleur-1-300x198.jpg 300w, https:\/\/www.placepourtoi.ca\/wp-content\/uploads\/2018\/03\/En-cuoleur-1-450x296.jpg 450w\" sizes=\"(max-width: 504px) 100vw, 504px\" \/><\/a><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" 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class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-974'><div class='entry-content-wrapper clearfix'>\n<div  class='avia-button-wrap av-lmqrk9rr-ad4b141b2041425cb4f47e13c1a9117c-wrap avia-button-center  avia-builder-el-31  avia-builder-el-no-sibling '><a href='https:\/\/www.placepourtoi.ca\/en\/past-and-present-of-engineering\/'  class='avia-button av-lmqrk9rr-ad4b141b2041425cb4f47e13c1a9117c av-link-btn avia-icon_select-no avia-size-x-large avia-position-center avia-color-theme-color'   aria-label=\"BACK TO ALL ACHEIVEMENTS\"><span class='avia_iconbox_title' >BACK TO ALL ACHEIVEMENTS<\/span><\/a><\/div>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":19,"featured_media":7562,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[],"portfolio_entries":[],"class_list":["post-974","portfolio","type-portfolio","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1960-The Louis-Hippolyte-la-Fontaine Bridge-Tunnel - Il y a une place pour toi... en ing\u00e9nierie!<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.placepourtoi.ca\/en\/lingenierie-a-travers-le-temps\/1960-the-louis-hippolyte-la-fontaine-bridge-tunnel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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