Actualy we had more than enought money for such projects, but they where white elephants.
The niterói river bridge.
The Itaipú power plant.
The transamazonic roadway.
Those three have three things in common:
1) They were built during the us sponsored military regime.
2) They were paid by IMF loans.
3) They were ultra money laundering scandals.
After the coup the USA flooded Brazil with credit, and we made the PAEG (plan of governmenta action), a very austeric and responsible economic plan, but after the hardline of the army took over in 1968 they scrapped it and made the PND (national plan of government) that was based purely on increasing the government spending to give the ilusion of economical growth, so while most of the regions remained stagnated (some of them even got poorer because the army removed the social policies and concetrated their efforts in the southeast), other areas had those huge projects ongoing basically burning money, until the second oil shock broke it. The Transamazonic roadway looks like crap because we ran out of credit in 1977, when it still was being built, and so the project was scrapped overnight.