Here's a ♥♥♥♥♥♥ paint picture, check the bottom of it.
https://imgur.com/a/3Q6y5jC

"A tunnels" is a pretty long and boring hallway, which you have to commit pretty heavily into or backtrack through the entire tunnel. You can spice it up by merging it with "A peek" and giving it two uses instead of one. The bridge itself can be a tunnel, to prevent players from peeking connector.