Work was suspended in December after mud was found on a nearby beach.
The project has represented a constant headache for the government over the past two years due to legal and political tussles.
The tender has a budget of some US$14mn and involves widening a 6km section of road in the north of the Argentine capital.
Some US$10mn will be used this year to enhance the infrastructure of the US-Mexico pedestrian link.
Five stations were opened for World Youth Day, a Catholic event to take place in Panama's capital from January 22-27.
The consortium behind the project will formally present it to the country's concessions system in the coming days.
BNamericas takes a look at the infrastructure and water proposals of the three leading candidates in next month's election.