Aberdeenshire Council will be carrying out repairs and bridge strengthening works on Inverkeithny Bridge which will require the bridge to be closed.
The closure will begin on Monday 24 October and is expected to last for eight weeks, until 19 December.
Update 15 December, Aberdeenshire Council have said the closure will remain in place until 23 December now.
The diversion route is
A97
B9001
B9024
C16L
and vice versa.