CO 52 before culvert installation
https://www.codot.gov/projects/archived-project-sites/co52-prospect-valley-resurfacing-and-culvert-improvements/photo-gallery/co-52.jpg/view
https://www.codot.gov/projects/archived-project-sites/co52-prospect-valley-resurfacing-and-culvert-improvements/photo-gallery/co-52.jpg/@@download/image/CO 52.jpg
CO 52 before culvert installation