What are your (Span × Height) and fill depth ?
While high-end software like HEC-RAS, HY-8, or STAAD.Pro exists, the humble Excel spreadsheet (XLS) persists for three key reasons: box culvert design calculations xls link
Mastering these tools can turn a tedious process into an efficient, automated workflow. Here’s a strategic approach to integrating them into your design process: What are your (Span × Height) and fill depth