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Tributary No. 9 Restoration, Maryland State Highway Administration

by James W. Gracie, (Aff.M.ASCE),
Robert Shreeve,
Linda Kelbaugh,



Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water

Abstract:

The Maryland State Highway Administration agreed to accomplish restoration of 1,100 feet of stream channel as part of a mitigation agreement with the U.S. Army Corps of Engineers, Baltimore District, for impacts to waters of the United States under a Section 404 Wetland permit. Restoration was accomplished by restoring stable geometry using vortex rock weirs and root wads. A five year monitoring effort is underway to determine stability and particle size distribution of channel materials.

Subject Headings: Stream channels | Particle size distribution | Ecological restoration | Channel stabilization | Sediment transport | Highways and roads | Wetlands (fresh water) | United States | Baltimore | Maryland

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