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A culvert is a structure that channels water past an obstacle or to a subterranean waterway. Typically embedded so as to be surrounded by soil, a culvert may be made from a pipe, reinforced concrete or other material.
Technology, Design and engineering & Environmental impacts
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culverts fish water passage also pipe designed may loss flow structure design soil erosion structures hydraulic including used minimum scour
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Culvert | is a | structure that channels water past an obstacle or to a subterranean waterway | 0.90 | text |
| scour holes or slumping of banks adjacent to the culvert structure.Culverts must be properly sized | instance of | and can result in the occurrence of unwanted problems | 0.80 | text |
| installed | instance of | and can result in the occurrence of unwanted problems | 0.80 | text |
| and protected from erosion | instance of | and can result in the occurrence of unwanted problems | 0.80 | text |
| scour | instance of | and can result in the occurrence of unwanted problems | 0.80 | text |
| the Federal Highway Administration | instance of | Many US agencies | 0.80 | text |
| Bureau of Land Management | instance of | Many US agencies | 0.80 | text |
| and Environmental Protection Agency | instance of | Many US agencies | 0.80 | text |
| as well as state or local authorities | instance of | Many US agencies | 0.80 | text |
| require that culverts be designed | instance of | Many US agencies | 0.80 | text |
| engineered to meet specific federal | instance of | Many US agencies | 0.80 | text |
| state | instance of | Many US agencies | 0.80 | text |
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