High-resolution digital elevation models (HR-DEMs) originating from airborne laser scanning (ALS) point clouds must be transformed into Culvert-modified DEMs for hydrological and geomorphological analysis. To produce a culvert-modified DEM. information on the locations of drainage structures (DSs) (e. g. https://www.bekindtopets.com/great-save-C3-dermatome-13020-great-choice/