Ice Thickness
(inches) Permissible Load
(clear, blue, lake ice)
2 One person on foot
3 Group, in single file
5 Group (6-8 people) together
7½ Passenger car (2 ton gross)
8 Light truck (2½ ton gross)
10 Medium truck (3½ ton gross)
12 Heavy truck (7 to 8 ton gross)
15 10 tons
20 25 tons
25 45 tons
30 70 tons
