Can be done in powershell : https://gallery.technet.microsoft.com/office/Copy-folder-structure-from-99b46508
Or :
Map the Sharepoint Document Library to a Network Drive
Now run this which will replicate the folders Locally ( xcopy to Sharepoint Library does not work )
xcopy “X:\1718ClientFinancesTA\*” “C:\Temp\FY\*” /T /E
Now Use Windows Explorer to copy the folders in C:\Temp\FY\ to your new Folder in Sharepoint