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Hydraulics Engineering


Hydraulics Engineering - Software

The software available at this site is in the public domain and is available for downloading as zipped files or self-extracting zipped files. This software may be copied and used without restriction.

By downloading the software, the user accepts responsibility for understanding the following conditions and limitations, and agrees to them:

  • The FHWA does not provide user assistance or support for this software.
  • The application of this software is the responsibility of the user. It is imperative that the responsible engineer understands the potential accuracy limitations of the program results, independently cross checks those results with other methods, and examines the reasonableness of the results with engineering knowledge and experience.
  • There are no expressed or implied warranties.

Click on the software title to go to the software description and download area. Some manuals are in electronic format and available for downloading from this web site or the ISDDC web site.

The FHWA software and related publications listed below are available from McTrans or PC-TRANS. Links to software produced by others are provided below.

FHWA Hydraulics Engineering Software
Software Title Year
HEC 26 HEC 26 Spreadsheet 2011
HY 8 Culvert Hydraulic Analysis Program
Toolbox FHWA Hydraulic Toolbox 2013
FESWMS FESWMS (Version 3.1.5) 2003
FESWMS FESWMS User's Manual 2003
Hydraulics Software by Others
Software Title Year
BCAP Broken-back Culvert Analysis Program (Version 4.11) 2009
CAESAR Cataloging And Expert evaluation of Scour risk And River stability at bridge sites 2001
CHL Coastal & Hydraulics Laboratory USACE  
FishXing Fish Passage through Culverts USFS  
HEC Hydrologic Engineering Center USACE  
HEC-RAS tools Instructions for extracting HEC-RAS cross sections from MicroStation (.pdf, 5 mb) 2013
NSS National Streamflow Statistics Program
PEAKFQWin Flood Frequency Analysis (USGS) 2007
SAMwin SAMwin - Hydraulic Design Package for Channels 2002
SMS Surface-Water Modeling System (SMS) (Download & registration instructions (.pdf, 0.7 mb)) 2001
StreamStats StreamStats  
USGS Water Resources Applications Software USGS  
WMS Watershed Modeling System (WMS) (Download & registration instructions (.pdf, 0.7 mb))  
PDF files can be viewed with the Acrobat® Reader®
Updated: 07/18/2013

United States Department of Transportation - Federal Highway Administration