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