Consultation has almost concluded on the construction of the new $31.1 million Causeway that links Victor Harbor to Granite Island.
Representations had 15 business days to submit their views on the application, which was lodged with the State Commission Assessment Panel.
The project is being delivered by the Department of Infrastructure and Transport (DIT).
Construction works on are expected to commence in early 2021.
McConnell Dowell Constructors (Aust) Pty Ltd was the preferred tender for the project.
The development will consist of construction of a new Causeway and boat loading facility between Victor Harbor and Granite Island and partial demolition of the existing State Heritage listed Causeway.
City of Victor Harbor Mayor Moira Jenkins said it was important to secure a long-term solution for the structural concerns of the current Causeway.
"A new Causeway, with new generation infrastructure that can withstand the Victor Harbor weather and marine environment, will help sustain our local businesses," Dr Jenkins said.