Ewen Hill
Never noticed those signs sorry Swavu. It does however have a "give way to pedestrians" message for cyclists as you enter the bridge area and the signs on the bridge don't provide the agency who has the bylaws.
https://www.mapillary.com/app/?pKey=506863137165518&focus=photo&lat=-37.786363888889&lng=145.01240277778&z=17&x=0.524211753621448&y=0.6824980342147282&zoom=1

I will change it back to bicycle=dismount