New Hampshire Oversize and Overweight Fines and Penalties

Penalty for Overload ; ( I ) Except as provided in paragraph II, any person who shall drive or cause to be driven on the ways of this state a vehicle whose weight is in excess of that prescribed in this subdivision shall be guilty of a violation, and notwithstanding the provisions of RSA 625:9, V, shall be fined not more than one hundred dollars ($100) for a first offense nor more than two hundred and fifty dollars ($250) for a subsequent offense within a registration year. ( II ) Any person who shall drive or cause to be driven on the ways of this state a vehicle whose weight is in excess of that prescribed in RSA 266:18-a, or RSA 266:18-b shall be fined one hundred dollars ($100) or two cents ($.02) for each pound in excess of the prescribed weight, whichever is the greater, for a first offense; two hundred dollars ($250) or two cents ($.02) per pound in excess of the prescribed weight, whichever is greater, for a second offense; for a third and subsequent offense of the same vehicle in violation of this section, two hundred dollars ($250) or two cents ($.02) per pound in excess of the prescribed weight, whichever is greater, up to an excess of fifteen thousand pounds (15,000 lbs); when the excess is more than fifteen thousand pounds (15,000 lbs) and less than thirty thousand pounds (30,000 lbs),three cents ($.03) per pound; and when the excess is more than thirty thousand pounds (30,000 lbs), four cents ($.04) per pound. ( III ) Any person who shall drive or cause to be driven on any interstate and defense highway of this state a vehicle whose weight is in excess of that prescribed in RSA 266:18 shall be subject to the fine in paragraph I. ( IV ) Any person who shall drive or cause to be driven on a bridge of this state a vehicle whose weight is in excess of the posted or annually published caution crossing limit for that particular bridge may be fined up to two hundred dollars ($200). ( V ) Any person who shall drive or cause to be driven on a bridge of this state a vehicle whose weight exceeds the limit of an excluded bridge (or bridge posted for no trucks) may be fined up to four hundred dollars ($400).

https://www.nh.gov/dot/org/operations/highwaymaintenance/overhaul/documents/tra304.pdf

https://www.nh.gov/safety/divisions/nhsp/fob/troopg/motorcarrier/faqmc.html