Roads Riparian Restoration: Bridges

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Presenter: Terry Warhol
Length: 9 min 10 s

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       Topics:      

• Bridges Applications and Considerations
• Least Common Type of Drainage Structure
• Safest Type of Crossing
• Bridges Provide Access Over Otherwise Inaccessible Areas
• Bridges Can Protect Riparian Areas
• Can Restore Riparian Areas
• Bridges Can Prevent Wildlife Fragmentation
• Considerations for Bridges
• Bridge Limitations
• Control Points on a Stream
• Footings are Exposed
• Water Will Do Work when Given Increased Energy or Velocity
• Crossing not the Low Spot
• Streams Like to Meander
• More Water Doing its Work
• Outcomes and Benefits
• Woody Debris Waiting to Move
• Old Wooden Bridge with Many Repairs
• Replacement Bridge
• Alternative and Complimentary Techniques

These presentations were produced by Michael J. Furniss and Jeff Guntle, of the US Forest Service, PNW and PSW Research Stations.
US Forest Service, Pacific Northwest Research Station, Pacific Southwest Research Station, Stream Systems Technology Center