Deep Tracks: The Bridge Mystery Cache

** Not at the posted coordinates **

The bridge, we'll build it now
It may take a lot of time
And it may be lonely but
Ooh baby, ooh baby.

The bridge was falling down
And that took a lot of lies
And it made me lonely
Ooh baby, ooh baby.

You could visit each of the reference locations listed below to gather the necessary information for obtaining the final coordinates but there is a much more fuel efficient method to do so. The difficulty rating reflects the puzzle difficulty. Not that it is all that hard conceptually but it is rather putzy and will take some time.

You can validate your puzzle solution with certitude.