N.H. Code Admin. R. Env-Wt 902.25
“Replace in-kind” as applied to a stream crossing means the removal of all or a portion of an existing legal structure and the installation of a new structure or new portion of the structure that is the same or functionally equivalent to the original structure in all material aspects, including size, dimensions, location, and configuration.
Source. #12809, eff 12-15-19