There is info on TFL https://tfl.gov.uk/bus/status/?input=37&lineIds=37&direction=inbound
Look on the bright side. More buses between Denmark hill and Goose green
There is a notice on some bus stops saying it is tonight (thurs) and tomorrow (Fri) 20:00-05:00. Southbound 185/176/40 are rerouted from Camberwell Green to peckham and onwards to East Dulwich Road.
Cant see anything on TFL site.
I discovered the hardway that southwbound buses are not running between Denmark hill and east dulwcih.
There is a notice on some bus stps. Will get a better photo and post jhere.