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 all mirrored worlds.
Finish Mirrored Chapter IV.
Finish Mirrored Chapter III.
Complete The Mirrored Garden with 5 inversions.
Finish Mirrored Chapter II.
Finish Mirrored Chapter I.
Catch the unchained key in The Mirrored Courtyard.
Cross The Bridge.
Finish Chapter IV.
Complete The Intersection without walking.
Complete The Timepiece in less than 1 minute.
Finish Chapter III.
Complete The Corridor with 3 inversions.
Complete The Aftermath with 2 inversions.
Finish Chapter II.
Complete The Precipice without rotating.
Fall for 30 seconds.
Finish Chapter I.