A major section of the Great Western Highway in New South Wales has been closed following the discovery of serious structural problems at the historic Mitchell’s Causeway, a 194-year-old bridge also known as the Convict Bridge. The closure has significantly disrupted travel between Sydney and the Central West, affecting thousands of motorists, freight operators, businesses, and local communities. pieces of colonial road infrastructure in Australia. Designed for horse-drawn vehicles, the structure now carries modern traffic volumes of around 12,000 vehicles per day, including heavy freight trucks.

Experts have long expressed concerns about the strain placed on the historic causeway by contemporary transport demands. voids and gaps within the structure. While the underlying sandstone bedrock remains stable, engineers determined that the deteriorating internal structure posed an unacceptable safety risk. Authorities stated that without ongoing monitoring, the damage could have progressed much further before being detected. to reduced visitor numbers and increased transport costs.

Local leaders have raised concerns about the vulnerability of transport links connecting Western NSW with Sydney. In response to the disruption, the NSW Government announced additional funding for detour routes and improvements to surrounding road infrastructure. Authorities have also increased public transport services, including trains, buses, and coaches, to assist affected communities during the extended closure period. is consulting engineering and geotechnical experts to develop a long-term solution that preserves the heritage-listed structure while restoring a safe and reliable transport connection. repairs are completed, Mitchell’s Causeway will remain closed while experts work to stabilize and restore this important piece of Australian history.