309.3  Secondary bridge system.
  The secondary bridge system of a county shall embrace all bridges and culverts on secondary roads as defined in section 306.3.
[C24, 27, §4664, 4665; C31, 35, §4644-c3; C39, §4644.03; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §309.3]
98 Acts, ch 1075, §9