go across (something) to (someone or something)
To traverse something and reach someone or something on the other side. We need to go across the river to Mom and Dad. Be careful going across that narrow bridge to the other side of town.
go across something to someone or something
to cross something to someone, something, or some place on the other side. We went across the bridge to the island. We came upon a little footbridge and went across to the other side. Timmy went across the street to his mother.