53 Pa. Stat. § 16412
It shall be lawful for said city to construct any bridges that may be necessary to carry any street or highway at the proper grade across any ravine or stream therein: Provided, That nothing herein contained shall relieve councils from the duty of constructing a bridge over the Schuylkill at Chestnut street, as directed by law; the charges for the culverts and pipes shall be at not exceeding the following rates per lineal foot, according to the fronts of the owners, to wit: for water pipes, seventy-five cents, making the usual allowance for corner lots; for culverts, seventy-five cents; and for street paving, one dollar per square yard; and all extra or further charge and for intersections, shall be paid out of the general taxation.
53 P.S. § 16412