Debris Deflector : Structure placed at the culvert inlet to deflect the major portion of the debris away from the culvert entrance. They are normally "V" shaped in plane with the apex upstream
Federal Emergency Management Agency (FEMA), Flood Hazard Mitigation Handbook (FEMA Hazard Mitigation Handbook Series - Helping People before, during and after disasters), Appendix B: Glossary & Index of Flood Damage Keywords, Washington D.C., USA 2002. http://www.conservationtech.com/FEMA-WEB/FEMA-subw eb-flood/01-06-FLOOD/8-Appendices/appendix-B.htm, (ND/ Flood - Amer) {62}