The easiest way to build.
NYS DOT & Roadway Projects
In two days Rifenburg Construction Inc. installed 18 pieces of 20' x 9' x 4'-8.5" precast concrete box culvert sections along with six sections of wing walls and aprons. Shear key joints were used for wing wall and apron connections while a shiplap joint was used for culvert joint connections. Cut-off walls were drilled in the field through the 8" diameter sleeves and into the apron slaps and grouted with...more