 The Main South has brought enormous social and commercial benefits to south-western NSW, the Southern Highlands and Sydney for 130 years, and all infrastructure has shared
In the significance of that outcome.The place has potential to yield information that will contribute to an understanding of the cultural or natural history of New South Wales.The bridge has technical significance because of it was one of the new heavy-duty trusses of the American style Pratt truss which had become standard for large span bridges.