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