The Maroubra Speedway was just about there... in what is now Coral Sea Park.
Old road bridge lost in the Christmas '94 fires... it was a wooden trestle bridge from memory, just east of the current Ryde Road. I always meant to photograph it, then it was gone...
Roseville. Interesting approach (Babbage Road) to a low level bridge, replaced by a higher one, of course! There was once a recreation/holiday camp/dance palais on the Forestville side of the river, too.
Iron Cove... another bridge that was, with just the ramparts left on both sides... and note that there's a tram lane on the "new" bridge, too, now used as a T-way: