N.J. Stat. Ann. § 13:12-20

The canal and banking company is authorized and directed to repair and make safe the dams and sluice gates at the lakes and ponds mentioned in section 13:12-4 of this title and to raze and remove or put in a condition safe to life and limb all other structures heretofore maintained by the canal company and to make proper provision to prevent future obstruction of highways, roads or watercourses through the decay and fall of culverts, aqueducts or other structures and to provide for the proper drainage of the canal.