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 The Library being no louder than a whisper.
Complete The Corridor with 3 inversions.
Complete The Mirrored Garden with 5 inversions.
Complete The Intersection without walking.
Collect all hidden wisps.
Complete The Precipice without rotating.
Complete all mirrored worlds.
Finish Mirrored Chapter IV.
Finish Mirrored Chapter III.
Complete The Aftermath with 2 inversions.
Finish Mirrored Chapter II.
Finish Mirrored Chapter I.
Catch the unchained key in The Mirrored Courtyard.
Cross The Bridge.
Finish Chapter IV.
Fall for 30 seconds.
Finish Chapter III.
Complete The Timepiece in less than 1 minute.
Finish Chapter II.
Finish Chapter I.