Delta Hydro Studio
FreemiumVerified
Browser-based hydrology and hydraulics calculators for practising engineers — no install, report-ready output.
2 tools · Topic
Culvert Sizing & Design Tools
Culvert hydraulics — inlet versus outlet control, headwater limits, the HDS-5 procedure — is one of the most common tasks in drainage design. Listed here: FHWA HY-8, the free federal program that implements HDS-5, and Delta Hydro Studio, which runs culvert checks in the browser.
HY-8
Gov-PublicVerified
FHWA's free culvert analysis program — the reference implementation of HDS-5 culvert hydraulics.