Culvert 4 : A hydraulically short conduit which conveys surface water runoff through a roadway embankment or through some other type of flow obstruction
The Flood Control District of Maricopa County, Glossary of Flooding Terms, AZ, USA 2009. http://www.fcd.maricopa.gov/Education/glossary.asp x, (ND/ Flood - Amer) {477}