The construction of the duplication and replacement of the old Forgan Bridge commenced in May 2008 and was completed in August 2011.

[2] The original Forgan Bridge was opened on 30 March 1938 by Mrs Forgan Smith, wife of the Queensland Premier William Forgan Smith,[3] as a replacement for the earlier Sydney Street Bridge.

[4] The bridge was named in memory of Mary Forgan, the mother of former Queensland premier William Forgan Smith.

[4] The construction of a new 485-metre (1,591 ft) long, 4-lane bridge commenced in May 2008.

The project was delivered in two stages; stage 1 included construction of new two-lane bridges and stage 2 included demolition of the existing bridges and construction of new two-lane bridges in their place.The new bridge was opened on 14 August 2011 by Main Roads Minister Craig Wallace, local member of parliament Tim Mulherin, and Mackay mayor Col Meng.