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