Hannah Bridge

The Hannah Bridge site is located across six parcels totaling 83 acres, four miles south of Four Oaks in Johnston County, NC. Several unnamed tributaries traverse the site and exhibit diminished habitat value as a result of past and ongoing agricultural activities and ditching. The site was identified by RES as having the potential to help meet the compensatory mitigation requirements for stream impacts in HUC 03020201 of the Upper Neuse River Basin. The Hannah Bridge Site may also be utilized to provide riparian buffer mitigation units through the NC Division of Water Resources.

Specific project goals address stressors identified in the watershed and include the following: nutrient removal, sediment reduction, runoff filtration, invasive species treatment, and improved aquatic and terrestrial habitat. The project goals will be addressed through the following project objectives: exclusion of livestock from stream channels and riparian areas, control of exotic invasive species, the addition of large woody debris to stream channels, enhancement of hydrology in existing riparian wetlands, and restoration of historic flow patterns in valleys.

The Hannah Bridge Site includes approximately 8,524 linear feet of stream restoration and enhancement generating 7,046 Stream Mitigation Units (SMU) and 16.7 acres of wetland restoration and enhancement generating 7.26 Wetland Mitigation Units (WMU).

under restoration

completed construction

monitoring

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