Here is the full list of all 20 The Bridge achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Complete all mirrored worlds.
Finish Mirrored Chapter IV.
Complete The Mirrored Garden with 5 inversions.
Finish Mirrored Chapter III.
Finish Mirrored Chapter II.
Collect all hidden wisps.
Finish Mirrored Chapter I.
Catch the unchained key in The Mirrored Courtyard.
Complete The Library being no louder than a whisper.
Complete The Precipice without rotating.
Cross The Bridge.
Finish Chapter IV.
Complete The Intersection without walking.
Finish Chapter III.
Complete The Corridor with 3 inversions.
Complete The Aftermath with 2 inversions.
Complete The Timepiece in less than 1 minute.
Fall for 30 seconds.
Finish Chapter II.
Finish Chapter I.