Route nationale française 733

Route nationale 733
Borne à l'entrée de Rochefort.© Philippe Le Mao
Localisation
Pays	France
Région	Nouvelle-Aquitaine
Caractéristiques de 1933 à 1973
Itinéraire	Rochefort-sur-Mer - Royan
Longueur	39,2 km

Présentation

• La route nationale 733, ou RN733, est une ancienne route nationale française qui reliait Rochefort à Royan.

Historique

Généralités

• A sa création, en 1933, elle est définie comme la route de Rochefort-sur-Mer à Royan.
• Dans le département de Charente Inférieure, elle est issue :
  • du chemin vicinal ordinaire n° 16 de la commune de Rochefort-sur-Mer, ou Vo16 ;
  • de la route départementale n° 1, ou RD1 (17), pour la section comprise entre la sortie de Rochefort et le lieu-dit L'Enfer, commune du Gua ;
  • du chemin vicinal de grande communication n° 22, ou Gc22 (17), entre L'Enfer et l'entrée de Royan ;
  • d'un court tronçon d'environ 750 m du chemin vicinal de grande communication n° 45, ou Gc45 (17), à Royan jusqu'au front de mer.
• Elle est déclassée en 1973.
• Depuis, elle a fait l'objet d'un aménagement partiel en voie express en site propre et un pont à péage a été construit sur la Charente. Ce péage est désormais supprimé.

Aménagements

• La traversée de la Charente à Rochefort s'effectuait à l'origine via un pont transbordeur qui avait été mis en service le 29 juillet 1900 en remplacement d'un ancien bac. Il était équipé d'une nacelle qui avait une capacité de seulement 16 tonnes et qui traversait le fleuve en 75 secondes. Dans les années 1950, sa capacité très insuffisante pour assurer l'écoulement normal du trafic conduit l'État à prévoir son remplacement par un pont à tablier levant. Construit à partir de 1964 un peu en aval du pont transbordeur, le nouvel ouvrage est inauguré le 4 février 1967 mais, dès la fin des années 1970, les interruptions régulières du trafic pour laisser les navires passer sous la travée levante provoquent de nouveau des bouchons de plus en plus spectaculaires. Pour résoudre le problème de façon définitive, le Conseil Général décide alors de construire un nouveau pont haut, avec un tirant d'air de plus de 30 mètres. Ce sera un pont à péage, en béton précontraint, qui sera mis en service le 4 mars 1991. Le pont levant est détruit peu de temps après. Le péage est supprimé le 19 décembre 2003.
• Rectification de la Croix de Chalons, au Gua : 1947.
• Déviation de L'Éguille : 1964.
• Déviation de Fontbedeau : 1958.
• Déviation de Saint-Sulpice-de-Royan : 1989.
• Pénétrante urbaine de Royan : 1970-1971.

Autour de la route

• Corderie Royale de Rochefort
• Pont transbordeur de Martrou
• Parcs à huîtres de Marennes

Tracé historique

Chargement de la carte...

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class=\"mw-parser-output\"\u003E\u003Cp\u003ERochefort\n\u003C/p\u003E\u003C/div\u003E","title":"Rochefort\n","link":"","lat":45.936751,"lon":-0.967612,"icon":""},{"text":"\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003ERoyan\n\u003C/p\u003E\u003C/div\u003E","title":"Royan\n","link":"","lat":45.624828,"lon":-1.026556,"icon":""}]}

Légende de la carte ou du tableau
En rouge	Tracé déclassé en 1973.
En jaune	Tracé déclassé localement après rectification.
Pour plus d'informations sur les sources cartographiques, consulter cet article.
La carte ne s'affiche pas ? Merci d'éditer l'article et de le sauvegarder sans aucune modification.

• Charente-Maritime (17) - D733
  • Rochefort Nombreux Monuments
    • D911 Rochefort Centre (vers D3 D5 D116 D137)
    • Cité Allaire
• Charente-Maritime (17) - D733^E1
  • Échillais Église Romane XII^e
    • Pont Transbordeur de Martrou La Charente
    • Martrou
    • La Renaissance
    • Les Éronnelles
    • L'Houmée Est
    • Les Carrières Noires
• Charente-Maritime (17) - D733
  • Saint-Agnant
    • Les Groies
    • Canal de la Saudre
• Charente-Maritime (17) - D733^E2
  • Saint-Agnant
    • Le Pont D125
    • D123
    • Le Petit Pinaudard
    • Le Grand Pinaudard
    • Villeneuve
  • Saint-Jean-d'Angle Village Médiéval, Château, Halles
    • Saint-Fort D18
    • L'Ombrière
    • Saint-Jean Village D18
  • La Gripperie-Saint-Symphorien Église Saint-Symphorien, Domaine de la Massonne
    • Le Portail Rouge
    • La Barlerie
    • La Gripperie
    • La Jardillière
    • Bel-Air
    • L'Ormeau
    • Le Plantis
    • Route Coupée
• Charente-Maritime (17) - D733
  • Sainte-Gemme
    • D118
    • Lac de Cadeuil
    • Cadeuil D728
  • Le Gua
    • Le Grand Bois
    • L'Enfer D1
    • La Croix de Chalons   D131
    • Chalons
    • Marais de l'Ouaille
    • Marais Neufs
  • La Seudre
  • L'Éguille déviée par l'est
    • Parcs à Huîtres
    • L'Éguille Village
  • Chenal du Liman
  • Saint-Sulpice-de-Royan
    • Fontbedeau
    •   D14
• Charente-Maritime (17) - D733^E
  • Saint-Sulpice-de-Royan Église (Clocher Roman)
    • Saint-Sulpice 'Village D140
    • Les Terrages
    •  
• Charente-Maritime (17) - D733
  • Saint-Sulpice-de-Royan
    •  
    • Jaffe
  • Royan Nombreux Monuments
    • Maine Baguet
    • Bernon
    •   D25
    • Royan Centre D145 D730 D750

Voie express

Historique

Déclarations d'utilité publique

• 04 03 1999 : Section Cadeuil - Royan, (projet abandonné)

Mises en service

• xx xx 1977 : Section Echillais-Nord - Echillais-Sud (partiellement à 2x2 voies, carrefours dénivelés)
• xx xx 1981 : Section Saint-Jean-d'Angle-Nord - Le Plantis (première chaussée, carrefours à niveau)
• xx xx 1985 : Section Saint-Agnant-Nord - Saint-Agnant-Ouest (première chaussée, carrefours dénivelés)
• xx xx 1988 : Section Rochefort-Nord - Rochefort-Ouest (première chaussée, carrefours à niveau)
• xx xx 1990 : Section Saint-Agnant-Ouest - Saint-Jean-d'Angle-Nord (première chaussée, carrefours dénivelés)
• 04 03 1991 : Section Rochefort-Ouest - Echillais-Ouest (partiellement à 2x2 voies, carrefours dénivelés)
• 04 04 1996 : Section Echillais-Sud - Saint-Agnant-Ouest (seconde chaussée, suppression des accès riverains)

Tracé

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Légende de la carte ou du tableau
En jaune	Tracé aménagé en voie express à 2 ou à 2x2 voies.
Pour plus d'informations sur les sources cartographiques, consulter cet article.
La carte ne s'affiche pas ? Merci d'éditer l'article et de le sauvegarder sans aucune modification.

Itinéraire

La D733 sur le pont de la Charente. © Atlasroutier

Sortie desservant la D123. © Atlasroutier

Sortie desservant la D238e1 près d'Echillais. © Atlasroutier

• Charente-Maritime (17) - D733
  •    D137 La Rochelle
  •    A837   31  Saintes
  •   Rochefort Z.A. Les Pêcheurs d'Islande
  •   Rochefort Base Militaire
  •  D733
  • 2x1 voie
  •     Soubise (quart-échangeur)
  •     Rochefort
  • 2x2 voies
    •  Viaduc de Martrou La Charente
    •  Vitesse : 90 km/h  (dans chaque sens)
  •     Echillais, Soubise, Port-des-Barques, La Renaissance
  •     Echillais
    • Sens Rochefort - Royan
  •     Echillais (demi-échangeur)
  •     Saint-Agnant,  Aérodrome de Rochefort
  •     D123 Ile d'Oléron, Marennes (demi-échangeur)
  • 2x1 voie
  •     Villeneuve (quart-échangeur)
  •     Saint-Fort (demi-échangeur)
  •     Champagne (demi-échangeur)
  •  D733

Sites Sara

• La D733 (17) sur Saratlas

Liens externes

• Fiche du Pont transbordeur de Martrou sur le site Structurae
• Fiche du Pont levant de Martrou sur le site Structurae
• Site présentant des vues du pont levant de Martrou en service