This is the 11533rd most frequent Russian word.
достроить
To complete the construction of something.
The word 'достроить' is used to indicate the action of completing the construction of something already partially built.
Мы должны достроить этот дом до конца года.
We must finish building this house by the end of the year.
Here, 'достроить' refers to the act of finishing the construction of the bridge.
Бригада строителей достроила мост за месяц.
The construction crew completed the bridge in a month.
In this example, 'достроить' conveys the completion of a construction project following its approval.