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-Diversions can work in
combination with crowning to send water off roadways and into ditches and
buffer strips
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-water bars are strips of
material that run diagnally across the width of a road. These diversions prevent water from
running down steeply sloped roads and divert water into ditches and buffer
areas where nutrients can be taken up
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-In the CEAT survey, teams
noted whether or not these methods were used and possible areas that might
benefit from these techniques.
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-Culverts are designed to
keep streams of water off the roadbed by diverting them underneath.
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-Both established streams and those created during storms need to be
kept off of the roadbed to prevent erosion.
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-It is important that culverts function correctly, or serious erosion
can result. Failed culverts allow water to run across the road, which will
simultaneously destroy the roadbed and wash sediment towards lakes and
streams.
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- Culverts are constructed out of metal, plastic, or concrete
materials, and the length, width, and diameter depend on the specific nature
of the road. The most important
considerations are water flow, the presence of an adequate buffer and proper
maintenance, including keeping debris out of the culvert and replacing the
entire structure when it is no longer effective).
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-CEAT assessed all visable
culverts in the watershed for these factors
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