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