Information on Siting Trail Bridges

Stream Classification and Identification

• Fundamentals of the Rosgen Stream Classification System
  • http://www.epa.gov/watertrain/stream_class/
• Montgomery and Buffington
  • http://www.fgmorph.com/fg_4_11.php
• A Guide to Identification of Bankfull Stage in the Northeastern United States
  • http://www.stream.fs.fed.us/publications/videos.html
• Stream Channel Reference Sites: An Illustrated Guide to Field Technique
  • http://www.stream.fs.fed.us/publications/PDFs/RM245E.PDF

Hydraulics and Hydrology

• NRCS Hydraulics and Hydrology Training
  • http://www.wsi.nrcs.usda.gov/products/w2q/H&H/Training/trng_ser.html
• USGS National Streamflow Statistics Program
  • http://water.usgs.gov/software/NSS/
• WinXSPRO: A Channel Cross-Section Analyzer
  • http://www.stream.fs.fed.us/publications/winxspro.html
• Hydrologic Engineering Centers River Analysis System (HEC-RAS)
  • http://www.hec.usace.army.mil/software/hec-ras/

Aerial Photographs and Topographic Maps

• Google Earth
  • http://earth.google.com/
• Microsoft Virtual Earth
  • http://www.microsoft.com/virtualearth/
• Forest Service Topographic Maps (available only to Forest Service employees)
  • http://mapmaker.esri.com/fstopo/
  • (User ID: fstopo, Password: maps)
  • This site provides Primary Base Series (PBS) or Single Edition Series (SES) maps as a raster image of the Forest Service 1:24,000 scale topographic map, including the collar information (legends and other text outside the map).

Trail Bridge Types

• Trail Bridge Catalog
  • http://www.fs.fed.us/eng/bridges/

Crossings

• Low-Water Crossings: Geomorphic, Biological, and Engineering Considerations
  • http://www.fs.fed.us/eng/pubs/pdf/LowWaterCrossings/

Additional Information

• U.S. Department of Agriculture, Forest Service, Stream Systems Technology Center
  • http://www.stream.fs.fed.us/
• U.S. Department of Agriculture, Forest Service, National Technology and Development Program, Stream Simulation: An Approach To Providing Passage for Aquatic Organisms at Road-Stream Crossings
  • http://www.fs.fed.us/eng/pubs/pdf/StreamSimulation/
• U.S. Army Corps of Engineers–Hydrologic Engineering Center (HEC)
  • http://www.hec.usace.army.mil/
• U.S. Geological Survey, Water Resources
  • http://water.usgs.gov/