Concrete Headwall for Small Pipe Culvert 601-4

Abstract

Federal Highway Administration2016PDFOtherhttps://ntlrepository.blob.core.windows.net/lib/78000/78200/78228/Std601-4.pdfhttps://flh.fhwa.dot.gov/resources/standard/Std601-4.pdfFederal Highway Administration (U.S.)Federal Highway Administration (U.S.)United StatesTechnical drawingsImperial system of unitsConcrete pavementsWallsConcrete culverts100