NC 12 replacement of Herbert C. Bonner Bridge (bridge no. 11) over Oregon Inlet, federal-aid no. BRS-2358(15), NCDOT project definition 32635, TIP no. B-2500, Dare County, North Carolina : administrative action, environmental assessment - Page 292 |
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Bonner Bridge Replacement EA D- 12 NCDOT TIP Project Number B- 2500
Table 4- 27 ( continued). Potential Construction Impacts to Inshore and
Marine Essential Fish Habitat
Pamlico Sound Bridge Corridor
Inshore EFH Bridge Construction Dredging
Oyster reef and shell bank2 Temporary disturbance; some
permanent loss from piles
Removal in areas where this
habitat is present; potential
permanent loss of living
beds through direct or
indirect dredging impact
Intertidal flats
Temporary disturbance; some
permanent loss of habitat from
piles
Removal of sediment
Palustrine emergent and
forested ( freshwater
wetlands)
Small loss of wetland maritime
grassland None
Estuarine water column
( Pamlico Sound) 3
Temporary increase in turbidity
and decline in dissolved oxygen
Temporary increase in
turbidity and decline in
dissolved oxygen
Marine EFH Fill and Pile Dredging
Water column ( Oregon
Inlet) 4
Potential temporary increase in
turbidity in Oregon Inlet
Potential temporary
increase in turbidity in
Oregon Inlet
Surf zone ( Oregon Inlet) 4 Potential temporary increase in
turbidity in Oregon Inlet
Potential temporary
increase in turbidity in
Oregon Inlet
Parallel Bridge Corridor ( Oregon Inlet and Rodanthe area bridges)
Inshore EFH Bridge Construction Dredging
Estuarine emergent
Temporary disturbance; shading;
some permanent loss from piles
and temporary loss of habitat
from construction of temporary
haul road for the Oregon Inlet
bridge
None
Estuarine shrub- scrub
mangroves None None
Seagrass 1 Temporary disturbance; shading;
some permanent loss from piles
Temporary indirect
disturbance; potential for
some permanent loss
because of turbidity and
siltation
Oyster reef and shell bank2 Temporary disturbance; some
permanent loss from piles
Removal in areas where this
habitat is present; potential
permanent loss of living
beds through direct or
indirect dredging impact
Intertidal flats
Temporary disturbance; some
permanent loss of habitat from
piles
Removal of sediment
Palustrine emergent and
forested ( freshwater)
Temporary disturbance; shading;
some permanent loss from piles None
Object Description
Description
| Title | NC 12 replacement of Herbert C. Bonner Bridge (bridge no. 11) over Oregon Inlet, federal-aid no. BRS-2358(15), NCDOT project definition 32635, TIP no. B-2500, Dare County, North Carolina : administrative action, environmental assessment - Page 292 |
| Full Text | Bonner Bridge Replacement EA D- 12 NCDOT TIP Project Number B- 2500 Table 4- 27 ( continued). Potential Construction Impacts to Inshore and Marine Essential Fish Habitat Pamlico Sound Bridge Corridor Inshore EFH Bridge Construction Dredging Oyster reef and shell bank2 Temporary disturbance; some permanent loss from piles Removal in areas where this habitat is present; potential permanent loss of living beds through direct or indirect dredging impact Intertidal flats Temporary disturbance; some permanent loss of habitat from piles Removal of sediment Palustrine emergent and forested ( freshwater wetlands) Small loss of wetland maritime grassland None Estuarine water column ( Pamlico Sound) 3 Temporary increase in turbidity and decline in dissolved oxygen Temporary increase in turbidity and decline in dissolved oxygen Marine EFH Fill and Pile Dredging Water column ( Oregon Inlet) 4 Potential temporary increase in turbidity in Oregon Inlet Potential temporary increase in turbidity in Oregon Inlet Surf zone ( Oregon Inlet) 4 Potential temporary increase in turbidity in Oregon Inlet Potential temporary increase in turbidity in Oregon Inlet Parallel Bridge Corridor ( Oregon Inlet and Rodanthe area bridges) Inshore EFH Bridge Construction Dredging Estuarine emergent Temporary disturbance; shading; some permanent loss from piles and temporary loss of habitat from construction of temporary haul road for the Oregon Inlet bridge None Estuarine shrub- scrub mangroves None None Seagrass 1 Temporary disturbance; shading; some permanent loss from piles Temporary indirect disturbance; potential for some permanent loss because of turbidity and siltation Oyster reef and shell bank2 Temporary disturbance; some permanent loss from piles Removal in areas where this habitat is present; potential permanent loss of living beds through direct or indirect dredging impact Intertidal flats Temporary disturbance; some permanent loss of habitat from piles Removal of sediment Palustrine emergent and forested ( freshwater) Temporary disturbance; shading; some permanent loss from piles None |
