Let's cross that bridge when we come to it

Definitions:
CD: an expression that means you will not worry about a possible future problem but will deal with it if it happens

Examples:
- A: "Do you know if that road is still closed?"
  B: "No, so I guess we'll have to cross that bridge when we come to it." The job interview is a week away, so I'm not worried about it yet—I'll cross that bridge when I come to it.
- Alan: Where will we stop tonight?
  Jane: At the next town.
  Alan: What if all the hotels are full?
  Jane: Let's cross that bridge when we come to it.