A map and screenshots showing the locations and directions of all 63 stuntjumps in Saints Row: The Third – Remastered.
Description
37 of them are available right from the start of the game, 26 more unlock as you progress through the story.

Stanfield

2. Dirt Ramp

3. Grass Ledge

4. Rubble Ramp

5. Rubble Ramp

Carver Island

7. Grass Ramp

8. Dirt Ramp

9. Grass Ramp

10. Grass Ramp

11. Elevated Street

12. Grass Ramp

13. Container (You will encounter a gang operation here)

14. Rails

16. Containers

Downtown

17. Train Cart (You will land on a gang operation)

18. Dirt Ramp

19. Dirt Ramp (Will trigger gang operation)

20. Stairs

21: Stairs (Just drive down the stairs there)

22. Dirt Ramp

23. Dirt Ramp

24. Grass Ramp

25. Joe Cola Bottlecap (Will likely trigger gang operation)

26. Billboard

27. Wooden Planks

28. Wooden Planks (Best to use a bike for this)

29. Wooden Planks

30. Grass Ramp

31. Grass Ramp

32. Dirt Ramp

Sierra Point


35. Grass Ledge

36. Grass Ramp

37. Metal Rramp (Direct continuation of the previous jump)

Draw Bridges
The drawbridges won’t be raised for most of the game.
The stunts across the drawbridges can be a bit tricky to get the jump to successfully register, sometimes you have to go slow to trigger it.
The following ones in downtown get raised after the mission “My Name Is Cyrus Temple”:
38. Loren Square -> Henry Steelmill
39. Henry Steelmill -> Loren Square
40. Loren Square -> Henry Steelmill
41. Henry Steelmill -> Loren Square
42. Loren Square -> Henry Steelmill
43. Henry Steelmill -> Loren Square
44. Loren Square -> Henry Steelmill
45. Henry Steelmill -> Loren Square
46. Loren Square -> Sierra Point (Don’t drive too far towards the armory to avoid notoriety)
47. Sierra Point -> Loren Square
48. Sunset Park -> Bridgeport
49. Bridgeport -> Sunset Park
50. Bridgeport -> Sunset Park
51. Sunset Park -> Bridgeport
52. The Grove -> Loren Square
53 Loren Square -> The Grove
The following ones will unlock after the mission “Air Steelport”:
54. Arapice Island -> Loren Square
55. Loren Square -> Arapice Island
56. Arapice Island -> Ashwood
57. Ashwood -> Arapice Island
58. Arapice Island -> Ashwood
59.Ashwood -> Arapice Island
60. Arapice Island -> The Grove
61. The Grove -> Arapice Island
62. Arapice Island -> The Grove
63. The Grove -> Arapice Island
Credits
The map from the Saints Row wiki[saintsrow.fandom.com]
The screenshots and the guide Credit to Singa