Per Frames on Given Points

Grasshopper
1

Hi Experts
could someone explain how to create Per Frames on given points.

Best Regards
Muhammad IsmailBridge Test.gh (11.0 KB) Bridge Test.3dm (5.6 MB)

2

Canvas at 14;17;33
Canvas at 14;17;331688×562 130 KB

Bridge Test_re.gh (19.8 KB)

3

Thanks you Very much and have a great day ahead.