Missouri Secondary State Route B is a north-south highway in North-Central Caldwell County. It runs from Nettleton, south to Missouri Seocndary State Route U. MO Sec St Rt B passes through the following town in Caldwell County. Nettleton MO Sec St Rt B is not multi-plexed in Caldwell County. MO Sec St Rt B intersects the following highways in Caldwell County. U.S. Rt. 36, near Nettleton.
