The US$32mn expansion of Carriel Sur airport serving Talcahuano is 20% complete. It works are expected to double passenger traffic at the terminal by 2020.
The fund will focus mainly on energy infrastructure and aims to raise up to US$150mn.
The Ñuble region, which previously stood up as part of the Bio Bío region, plans to focus on paving works and unblocking water reservoirs, and although large scale projects are scarce, local authorities expect a boost in the near future.
The Latin American development bank pointed out that current planning and design practices will not be enough to make highways resilient to climate events in the near future.
The governments of Chile's Araucanía region and Argentina's Neuquén province will hold an "extraordinary" reunion at the end of the year to treat long-dormant border projects, such as a US$1bn rail link.
In preparation for next year's Pan American Games, the country is pushing for more investment in roads, housing and hotels.