605 ILCS 110/1
(605 ILCS 110/1) (from Ch. 121, par. 193a) Sec. 1. Every person, firm or corporation owning, leasing or managing any bridge over a navigable portion of the Illinois River shall construct and maintain in good repair, contiguous to the channel of the river, adequate pier protection for the piers of such bridge, of modern construction, and adequate to meet navigation requirements existing at the time or reasonably to be expected in the future during the life of such piers. (Source: Laws 1941, vol. 1, p. 1091.)