Stream assessment for multicell culvert use

Peggy A. Johnson, Eric R. Brown

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

Although culverts have traditionally been an economical means of conveying stream flow at a road crossing, they can hinder fish and wildlife passage in the channel and on the floodplain and can create or augment localized channel instabilities. A possible solution to these problems is to use a multiple-cell arrangement, in which one or more culverts placed in the channel convey all flows up to the dominant discharge and one or more culverts positioned in the floodplain convey overbank flows up to the design discharge. This arrangement results in a reduction of flow concentration through the culvert and a properly functioning floodplain, thereby improving fish and wildlife passage and reducing erosional problems. For this system to function properly, a well-established and active floodplain is required; the multicell system will not perform adequately in an incised channel. In this paper, a method to determine appropriate physical environments for multicell culvert systems, based on stream-channel stability and stage-of-channel evolution, is presented.

Original languageEnglish (US)
Pages (from-to)381-386
Number of pages6
JournalJournal of Hydraulic Engineering
Volume126
Issue number5
DOIs
StatePublished - Oct 4 2000

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Water Science and Technology
  • Mechanical Engineering

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