HY-8

• HY-8 Version 7.1  
  • Distribution Memo 07/01/08
  • The Quick Start guide is intended to provide essential information for installing and running the Windows based version 7.1 of the HY-8 culvert hydraulic analysis and design program.
  • Download HY-8 Note: 7/9/08 - The development team corrected a problem that affected HY-8 7.1 on some computers. Downloading and rerunning the installation should resolve this for all computers. Thank you for your patience.

HY-8 7.1 represents the second phase of the FHWA's multi-phase culvert hydraulic software upgrade plan. The plan calls for incremental upgrades and additions of features, based on available time, budget, and adoption of new hydraulic practices and techniques. The next phase includes additions of new hydraulic jump, broken back, adverse slope algorithms, as well as new shapes, and other enhancements.

HY-8 Archive

• FHWA Culvert Analysis (Version 6.2)
• FHWA Culvert Analysis (Version 7.0)
  • Distribution Memo 03/20/2007
  • The Quick Start guide is intended to provide essential information for installing and running the new Windows based version of the HY-8 culvert hydraulic analysis and design program.
  • Download HY-8