This is the 2807th most frequent Portuguese word.
viável
Capable of being done successfully; feasible.
Here 'viável' is used to express that constructing a bridge in the mentioned location is practical or possible given current circumstances.
A construção de uma ponte aqui é viável.
The construction of a bridge here is feasible.
In this sentence, 'viável' is applied to denote the practicality or potential success of a solution to a problem.
Precisamos encontrar uma solução viável para resolver este problema.
We need to find a viable solution to solve this problem.
Here, 'viável' denotes the likelihood or possibility of the project being completed before its deadline.