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.
Collect all hidden wisps.
Complete all mirrored worlds.
Finish Mirrored Chapter IV.
Complete The Mirrored Garden with 5 inversions.
Finish Mirrored Chapter III.
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.
Complete The Precipice without rotating.
Complete The Intersection without walking.
Finish Chapter III.
Complete The Corridor with 3 inversions.
Complete The Timepiece in less than 1 minute.
Complete The Aftermath with 2 inversions.
Finish Chapter II.
Finish Chapter I.
Complete The Library being no louder than a whisper.