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Career Information

Continuing Education for Natural Resource Professionals

Designing for Aquatic Organism Passage at Road-Stream Crossings (AOP)

Photograph: pre-restoration. 12 inch or greater drop from culvert down to stream.

Hosted in coordination with the
USFS National Stream & Aquatic Ecology Center,
USFS National Aquatic Organism Passage Design Assistance Team,
and USFS Regions

Aquatic Organism Passage logo. 3 squares on point and a fish turning.

Photograph: Culvert after restoration. No barrier to getting through the culvert. 50% of the culvert is burried under the stream.

Tributary to Middle Fork Salmon River,
Olympic National Forest, Washington

Photograph: Culvert after restoration. No barrier to getting through the culvert. 50% of the culvert is burried under the stream. View from inside the culvert.

Objectives & Description:

Participants learn the necessary skills to ...

  • demonstrate the stream simulation methodology of collecting and interpreting channel and roadway data at road-stream crossing sites;
  • applying and integrating these data to develop design channels and road-stream crossing structures;
  • effectively constructing stream simulation designs.

Focus is on the USDA Forest Service stream simulation method, an ecosystem-based approach for designing and constructing road-stream crossings that provide unimpeded fish and other aquatic organism passage through the structure. Stream simulation integrates fluvial geomorphology concepts and methods with engineering principles to design a road-stream crossing that contains a natural and dynamic channel through the structure, restoring ecological processes and connectivity along the stream corridor.

Target Audience:
Engineers, hydrologists, biologists, geologists, etc. that are actively involved in the design of road-stream crossing structures.

Tuition: $1,200 (does NOT include travel, lodging and meals).
Tuition may be reduced pending additional funding sources. Check the AOP location specific flyer for tuition status.


  • Instruction
  • Materials




November - FY16

Pennsylvania; Region 9

REQUEST in AgLearn or email Dan Cenderelli




Dan Cenderelli, Ph.D.
Fluvial Geomorphology/Hydrology, USDA Forest Service, National Stream & Aquatic Ecology Center
National Stream & Aquatic Ecology Center

Agenda & Workshop/Registration Info || SF182 information

Registration:Forest Service employees "Request" in AgLearn or contact Dan Cenderelli and your Regional Hydrologist/Engineer/Fish Program Leader. Everyone else please contact Dan Cenderelli

AgLearn Keywords: 2500 400

Finding in AgLearn

Dropping from the Workshop: Tuition is low for this workshop consequently there is not much leeway on letting people drop. If you are registered, check with us first, just in case we have a waiting list. If there is not a waiting list, you will need to find a substitute or pay fixed costs. The budget has been set and spent based on current confirmation. Thank you for your understanding and consideration.

Disclaimers | Freedom of Information Act (FOIA) | Privacy Notice

Forest Service Continuing Education for Natural Resource Professionals
Author: Shelly Witt, National Continuing Education Coordinator,
WFW staff
Phone: 435-881-4203
Expires: none

Photo Credits

USDA Forest Service
1400 Independence Ave., SW
Washington, D.C. 20250-0003
(202) 205-8333

 Last Modified: November 2014