YOU SAID:

Cross that bridge when I come to it.

INTO JAPANESE

私がそこに来たら、その橋を渡ります。

BACK INTO ENGLISH

When I get there, I'll cross that bridge.

INTO JAPANESE

そこに着いたら、その橋を渡ります。

BACK INTO ENGLISH

When you get there, cross that bridge.

INTO JAPANESE

そこに着いたら、その橋を渡ってください。

BACK INTO ENGLISH

When you get there, cross that bridge.