Culverts and headwalls are not always needed in every situation. Contacting the Dept of Transportation in your area is your first step. They will be able to answer all your questions as to the size of culvert you will require the size of culvert head walls, driveway location or if you even require a culvert or not. There are many types of culvert options available for purchase, such as corrugated plastic, concrete, steel ect. Precast head walls can be ordered with many sizes and shapes to choose from, or you may want to design your own creative look as a driveway entry way. Whatever your plans may be give us a call and we will happy to take care of everything for you.