Appin and Wilton will finally be reconnected come Saturday, July 1.
Motorists will be able to drive across Broughton Pass for the first time in more than a year.
The pass will be open to the public about 7am. The opening is dependent on weather.
The approach to the bridge was severely damaged in the June 2016 storm.
Wollondilly Council’s infrastructure and environment director Michael Malone said he was pleased to announce the bridge’s reopening.
“The council would like to acknowledge the patience of the community during the past 12 months,” he said.
“It has been a painful project for everybody and a challenge for the council and contractors.”
Wollondilly Council conducted an initial investigation, developed a concept design, called for tenders, hired a contractor and started the construction phase in March.
The asphalt will be laid next Monday. The installation of guardrails will continue through July which will cause minor delays.
Council staff and contractors have worked hard to re-open the bridge by July.
Wollondilly MP Jai Rowell and Hume MP Angus Taylor secured state and federal funding for the council project.