Culvert bundle for stream crossings and flow-through bridge abutments
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United States of America Patent
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Jul 14, 2009
Grant Date -
Nov 1, 2007
app pub date -
Apr 27, 2007
filing date -
May 1, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A culvert bundle and fill assembly for stream crossings and flow-through bridge abutments comprising: (a) a first separator fabric; (b) a plurality of culverts placed on the fabric adjacent to one another along their lengths; (c) a plurality of triangular cross-section blocks placed in pairs in upper and lower spaces between adjacent culverts; (d) a plurality of fasteners placed around the plurality of culverts and blocks for holding the culverts and blocking in position; (e) a second separator fabric placed over the plurality of culverts and blocks; and (f) soil or other fill placed over the second separator fabric and the plurality of culverts and blocking to create a road or other crossing structure surface.
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