913.02 APPROVED CULVERT MATERIAL.
   Approved culvert material shall be as follows:
   (a)    Reinforced concrete pipe, 12 inches in diameter or larger.
   (b)    Plastic polyethylene, polyvinyl, smooth interior, 12 inches in diameter or larger; or:
      (1)    ODOT 707.16
      (2)    AASHTO designation M294, Type S.
   (c)    Minimum recommended cover for driveway culverts:
      (1)    Rigid concrete, 12 inches.
      (2)    Smooth interior plastic, 12 inches.
(Res. R-02-004. Passed 2-4-02.)