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https://validation.sites.fr/wp-content/uploads/2020/01/DSC00314.jpg22831522[vc_row][vc_column][vc_column_text] Transportation infrastructure is an essential part of our economic, cultural and historical heritage. Engineering structures (bridges, viaducts, tunnels, retaining walls, dykes, quays, booms, footbridges, etc.), which are an integral part of these infrastructures, are essential to our daily lives and to the attractiveness of our regions. They also represent a high symbolic value of...