Arguments AGAINST "Tarro Bridge":

* there are no signs at the bridge itself calling the structure "Tarro Bridge".

* Grok-3 sourced 25 web pages and returned: "The overpass on the New England Highway over the rail line in Tarro, New South Wales, is commonly referred to as the Tarro Rail Bridge or Tarro Railway Overpass. There is no evidence from available sources of a more specific or unique official name beyond these descriptions."


Arguments FOR "Tarro Bridge": 

* A landmark for "Tarro Bridge" exists on Google Maps that allows people to leave reviews and photos, although the reviews given are of a non-serious nature.

* A media release from Transport for NSW (official government resource) says "...essential maintenance work being carried out on Tarro Bridge on the New England Highway. " 
https://www.transport.nsw.gov.au/news-and-events/media-releases/maintenance-work-starts-on-tarro-bridge-on-new-england-highway

* ChatGPT 4o says: "Yes, the overpass where the New England Highway crosses the rail line in Tarro, New South Wales, is officially known as the Tarro Bridge. This name is used by Transport for NSW and local media, particularly in contexts such as maintenance work and traffic updates. 

The Tarro Bridge is part of the broader Tarro Interchange, which was completed in May 1994 to improve traffic flow and safety in the area.​
- Transport for NSW
- Newcastle Weekly
- Ozroads
- Caportal"