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