{"id":26875,"date":"2025-05-23T16:24:12","date_gmt":"2025-05-23T14:24:12","guid":{"rendered":"https:\/\/www.systra.com\/france\/news\/systra-au-coeur-de-la-transformation-du-pont-anne-de-bretagne-a-nantes\/"},"modified":"2026-04-07T15:47:27","modified_gmt":"2026-04-07T13:47:27","slug":"systra-au-coeur-de-la-transformation-du-pont-anne-de-bretagne-a-nantes","status":"publish","type":"post","link":"https:\/\/www.systra.com\/france\/news\/systra-au-coeur-de-la-transformation-du-pont-anne-de-bretagne-a-nantes\/","title":{"rendered":"SYSTRA au c\u0153ur de la transformation du pont Anne-de-Bretagne \u00e0 Nantes"},"content":{"rendered":"\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>V\u00e9ritable jardin-belv\u00e9d\u00e8re sur la Loire, ce pont accueillera deux nouvelles lignes de tramway, favorisera les mobilit\u00e9s douces et int\u00e9grera une forte dimension \u00e9cologique, gr\u00e2ce \u00e0 des solutions d\u2019\u00e9co-conception impuls\u00e9es d\u00e8s l\u2019origine du projet.<\/p>\n\n\n\n<div style=\"height:19px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>En groupement avec l\u2019agence d\u2019architectes Barriquand&amp;Frydlender, le Cerema et le cabinet Coudray, SYSTRA r\u00e9alise une mission d\u2019assistance \u00e0 ma\u00eetrise d\u2019ouvrage g\u00e9n\u00e9rale et technique pour la direction de l\u2019Espace Public de Nantes M\u00e9tropole depuis 2019. La mission s\u2019\u00e9tend des phases d\u2019\u00e9tudes de faisabilit\u00e9, puis du programme, jusqu\u2019au suivi des travaux et \u00e0 leur r\u00e9ception. Elle inclut \u00e9galement le management de projet, le suivi technique, le d\u00e9ploiement du BIM, les proc\u00e9dures r\u00e9glementaires, le suivi environnemental et d\u2019\u00e9coconception, la gestion des interfaces, des risques et des plannings.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-le-pont-anne-de-bretagne-un-ouvrage-d-art-metamorphose-en-espace-public-vegetalise-combinant-ecoconception-et-innovation\">Le Pont Anne-de-Bretagne : un ouvrage d\u2019art m\u00e9tamorphos\u00e9 en espace public v\u00e9g\u00e9talis\u00e9 Combinant \u00e9coconception et innovation<\/h3>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Le Pont Anne-de-Bretagne, axe essentiel entre l\u2019\u00cele-de-Nantes et le centre-ville, se r\u00e9invente en un espace public embl\u00e9matique. Pens\u00e9 \u00e0 l\u2019origine comme un \u00ab pont-place \u00bb, il deviendra un \u00ab pont-jardin-belv\u00e9d\u00e8re \u00bb sur la Loire, favorisant les nouveaux usages urbains, les mobilit\u00e9s douces et la desserte du futur CHU, tout en s\u2019int\u00e9grant harmonieusement au paysage nantais.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Ce projet ambitieux conjugue innovation et transition \u00e9cologique. D\u2019une part, l\u2019\u00e9largissement du pont, par un nouvel ouvrage \u00e0 l\u2019ouest et l\u2019abaissement du pont existant, avec des dimensions exceptionnelles entre 52 et 60 m de large, permet d\u2019accueillir des mobilit\u00e9s douces et d\u2019ins\u00e9rer deux nouvelles lignes de tramway. D\u2019autre part, les nouveaux espaces v\u00e9g\u00e9talis\u00e9s sur l\u2019ouvrage et les berges ont vocation \u00e0 recr\u00e9er le lien \u00e9cologique avec les berges existantes et, \u00e0 terme, \u00e0 relier les grands espaces verts de la m\u00e9tropole, mais \u00e9galement \u00e0 apporter une r\u00e9ponse aux enjeux climatiques de demain, notamment en termes de confort d\u2019usage et de r\u00e9duction des \u00eelots de chaleur.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Sur les conseils de SYSTRA, le projet du pont Anne-de-Bretagne int\u00e8gre aussi un important volet d\u2019\u00e9coconception, mettant l\u2019accent sur la v\u00e9g\u00e9talisation et la biodiversit\u00e9, mais \u00e9galement sur la r\u00e9duction des impacts de construction et l\u2019\u00e9conomie des ressources. Le projet affiche ainsi plusieurs ambitions : une v\u00e9g\u00e9talisation devant tendre vers 30% de la surface de l\u2019ouvrage, une conception optimis\u00e9e r\u00e9duisant les impacts, la r\u00e9utilisation des mat\u00e9riaux, l\u2019approvisionnement fluvial et une logistique r\u00e9duisant les nuisances et l\u2019impact carbone.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Les propositions du groupement de conception\/r\u00e9alisation port\u00e9 par GTM Ouest permettent ainsi d\u2019\u00e9conomiser 6 000 tonnes de CO2, notamment gr\u00e2ce au r\u00e9emploi du pont existant, qui a permis d\u2019\u00e9viter la destruction de 4 250 tonnes de b\u00e9ton et 1 300 tonnes d\u2019acier, et \u00e0 l\u2019approvisionnement du nouveau tablier enti\u00e8rement pr\u00e9fabriqu\u00e9 par barge depuis l\u2019Italie.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-660x660\"><img decoding=\"async\" src=\"https:\/\/www.systra.com\/wp-content\/uploads\/2025\/05\/pont_anne_de_bretagne-660x660.jpg\" alt=\"\" class=\"wp-image-24197318\"\/><figcaption class=\"wp-element-caption\">Vue actuelle du Pont Anne-de-Bretagne<\/figcaption><\/figure>\n<\/div>\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile is-image-fill-element has-pale-blue-background-color has-background\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" src=\"https:\/\/www.systra.com\/wp-content\/uploads\/2024\/11\/eric_de_balincourt_photo.jpg\" alt=\"\" class=\"wp-image-24175310 size-full\" style=\"object-position:56% 33%\"\/><\/figure><div class=\"wp-block-media-text__content\">\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Face aux d\u00e9fis climatiques et \u00e0 l\u2019imp\u00e9ratif de r\u00e9duction des \u00e9missions de carbone, SYSTRA accompagne les villes et les territoires vers une mobilit\u00e9 plus durable gr\u00e2ce \u00e0 son expertise en \u00e9coconception. Le pont Anne-de-Bretagne en est une illustration concr\u00e8te : en int\u00e9grant des solutions innovantes et respectueuses de l\u2019environnement, il fa\u00e7onne la ville de demain. La M\u00e9tropole de Nantes, pionni\u00e8re dans le d\u00e9veloppement des transports et l\u2019am\u00e9nagement urbain durable, est un territoire d\u2019innovation o\u00f9 SYSTRA est fier d\u2019apporter son savoir-faire.<\/p>\n\n\n\n<p>Eric de Balincourt, Pr\u00e9sident de SYSTRA France<\/p>\n<\/blockquote>\n<\/div><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-systra-et-la-metropole-de-nantes-un-partenariat-historique-et-durable\">SYSTRA et la M\u00e9tropole de Nantes : un partenariat historique et durable<\/h3>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Pr\u00e9sent \u00e0 Nantes depuis plus de 40 ans, SYSTRA accompagne la M\u00e9tropole dans ses grandes transformations en mati\u00e8re de mobilit\u00e9 et d\u2019am\u00e9nagement urbain. Depuis l\u2019accompagnement complet de la cr\u00e9ation du premier tramway moderne en France mis en service en 1985, jusqu\u2019aux projets actuels comme la transformation du pont Anne-de-Bretagne, SYSTRA est un partenaire cl\u00e9 de l\u2019innovation et du d\u00e9veloppement durable du territoire.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Son expertise s\u2019est illustr\u00e9e dans la M\u00e9tropole \u00e0 travers des r\u00e9alisations embl\u00e9matiques telles que la ligne de tram-train Nantes \u2013 Ch\u00e2teaubriant, le renouvellement du faisceau ferroviaire de Nantes-\u00c9tat, Nantes-Blottereau, <a href=\"https:\/\/www.systra.com\/news\/le-contournement-de-donges-a-ete-inaugure\/\">le contournement de la raffinerie de Donges<\/a>, le prolongement de la ligne 3 du tramway, mais aussi par le d\u00e9veloppement de nombreux axes cyclables dont l\u2019axe \u00bbMagistrale A \u00bb en cours de r\u00e9alisation, la r\u00e9alisation de projets d\u2019am\u00e9nagements urbain ou encore la concertation sur les projets d\u2019\u00e9oliennes et de transition \u00e9nerg\u00e9tique.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-blanc-color has-light-eggplant-background-color has-text-color has-background has-link-color has-text-align-center wp-element-button\" href=\"https:\/\/www.systra.com\/markets\/ponts-viaducs\/\">NOTRE OFFRE DE SERVICES DANS LE SECTEUR DES PONTS &amp; VIADUCS<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>V\u00e9ritable jardin-belv\u00e9d\u00e8re sur la Loire, ce pont accueillera deux nouvelles lignes de tramway, favorisera les mobilit\u00e9s douces et int\u00e9grera une forte dimension \u00e9cologique, gr\u00e2ce \u00e0 des solutions d\u2019\u00e9co-conception impuls\u00e9es d\u00e8s l\u2019origine du projet. En groupement avec l\u2019agence d\u2019architectes Barriquand&amp;Frydlender, le Cerema et le cabinet Coudray, SYSTRA r\u00e9alise une mission d\u2019assistance \u00e0 ma\u00eetrise d\u2019ouvrage g\u00e9n\u00e9rale et [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[25289],"tags":[],"class_list":["post-26875","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - 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