The initiatives will be developed under the infrastructure plan that the new state administration is preparing for the next six years.
The Transnordestina railway initiative is a major project that has been halted by the country's court of accounts.
President Bachelet highlighted that seven hospitals have been completed in the last two months.
The two consortiums have until July 2018 to deliver the structured projects.
Concessionaire Terminal Puerto Coquimbo (TPC) submitted an environmental impact study for the project.