The payments will total $511.1 million and will include payments for the enlargements of Via Domingo Díaz and the Amador Causeway, and the contruction of the third phase of the Cinta Costera.
Minister Ramón Arosemena said that despite the budgetary restraints, the agency will seek the best use of the funds it has for 2016.
Arosemena presented his proposed budget two days ago before the National Assembly. He was questioned by deputies for six hours about projects in their districts.
The official said that projects for next year include two major works in Chiriqui, namely the building of a highway in Puerto Armuelles and the construction of a retaining wall along the Changuinola River.
There are also plans to expand Omar Torrijos Avenue to the Centenario Bridge in Panama City.