From the Maitland Mercury report:
The railway bridge on Old North Road at Lochinvar will be demolished to make way for another train track as part of the Maitland to Minimbah Third Track Project, prividing an additional an additional single direction line for coal to the Port of Newcastle. Maitland City Council gave approval for the demolition of the Old North Road rail bridge at a meeting last week. Ray Fairweather said he wanted the bridge to be saved. Details of the history of the bridge were limited, but Cr Fairweather said it could be 150 years old.
Full article by Briony Snedden available at Maitland Mercury, 17 Nov, 2009.