natural channel restoration

big spring creek, montana

Inter-Fluve led a design/build team contracted to reconstruct a meandering segment of Big Spring Creek that had been straightened decades earlier. The goal of Montana Department of Fish, Wildlife and Parks (MDFWP) was to restore a section of channelized stream through a public access site to provide high quality fish habitat and angling opportunities. Recognizing the potential to both create new wetlands and enhance existing wetlands by reconnecting the floodplain with the channel, Inter-Fluve facilitated negotiations for the project to qualify for contributions to the regional wetland reserve program. Inter-Fluve negotiated with the Montana Department of Transportation (MDOT) and the U.S. Army Corps of Engineers to provide 7.1 acres of wetland credits to the MD0T. For their part, MDOT agreed to contribute almost $100,000 to the project. As part of the design process, Inter-Fluve conducted a functional wetland assessment consistent with protocols established by the MDOT. Design also included topographic mapping, hydraulic modeling and a geomorphic assessment. Construction was conducted over two field seasons. A 2,800-foot long reach of stream was lengthened to almost 4,000 feet and now provides aquatic, wetland and riparian habitat. This project is one of MDFWP’s largest stream restoration design/build projects.

Project Owner

Montana Department of Fish, Wildlife and Parks

Lewiston, Montana

Project Elements

Wetland mitigation and creation

Channel meander restoration

Fish habitat and angling enhancements

Related links

Additional project information is available from Montana Outdoors magazine.
www.interfluve.com


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