The loan, approved by the Central American Bank for Economic Integration last week, is currently being reviewed by the monetary council of the country's central bank.
According to the president, the transport and communications ministry (SCT) will reach an agreement with defense ministry Sedena regarding the collection of airport charges (TUA).
From its first foray into concession packages to the debut of an infrastructure fund, authorities in the country are looking at kicking off a long-term plan that would entail tendering US$2.2bn in concessions in 2019.
The tender involves the new concession for the Los Vilos-La Serena stretch of the Ruta 5 north-south highway. Current operator Abertis did not participate.
The first studies for the US$270mn project are expected to start next year.
The project entails building a 52,000m2 complex in San Luis province.