Pub
and other agencies provide Excel-based pre-processors and design aids for it.
She tested it against old projects; the new tool matched manual calculations and shaved hours off the review cycle. She ran it through the failing culvert’s case and found the best solution: a slightly larger reinforced box with improved wingwalls and a debris grate at the inlet. The cost was reasonable compared to the risk of a washout. The PDF download produced clear notes and a table of quantities for the contracting team. box culvert design spreadsheet download better
✓ No hidden macros – clean, transparent formulas ✓ Live error checking and unit conversion ✓ Suitable for single, double, or triple-cell culverts ✓ Compatible with Excel 2016, 2019, 365, and Google Sheets and Google Sheets
