While I have never made the bridge climb as I will not pay the extortionate price, after a much cheaper climb to the top of a Sydney Harbour Bridge pylon and a bit of walk in the hot sun, your reward is
You can sit under an umbrella on the roof top or out the front on the footpath and take in the passing parade. In fact we saw these two chaps from the UK walk past hand in hand when they were in Sydney on holidays. The interior of the hotel is very olde worlde and the hotel tapers to a point where the men's toilets are located on the right of the picture below.
The view from the roof top is stunning and I think they have a dj there at night. It is a short climb from The Rocks up the Argyle Stairs at the end of Gloucester Walk.
I love it and I expect a free drink for such a promotion the next time I visit.