(625 ILCS 5/15-317)
(from Ch. 95 1/2, par. 15-317)
Special weight limitation on elevated structures.
(a) No person shall operate a vehicle or combination of vehicles over a
bridge or other elevated structure constituting a part of a highway with a
gross weight which is greater than the maximum weight permitted by the
Department, when such structure is sign posted as provided in this Section.
(b) The Department upon request from any local authority shall, or upon
its own initiative may, conduct an investigation of any bridge or other
elevated structure constituting a part of a highway, and if it finds that
such structure cannot with safety to itself withstand the weight of
vehicles otherwise permissible under this Chapter the Department shall
determine and declare the maximum weight of vehicles which such structure
can withstand, and shall cause or permit suitable signs stating maximum
weight to be erected and maintained before each end of such structure.
(c) Upon the trial of any person charged with a violation of this
Section proof of the determination of the maximum allowable weight by the
Department and the existence of the signs, constitutes conclusive evidence
of the maximum weight which can be maintained with safety to such bridge or
(Source: P.A. 76-1586.)