NCDOT 7-98 Manteo Bypass Bridge Mitigation Site

ATic*,,A
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Coastal Management
Michael F. Easley, Governor Charles S. Jones, Director William G. Ross Jr., Secretary
July 21, 2006
Philip S. Harris, III, P.E.
Project Development and Environmental Analysis
N.C. Department of Transportation
1598 Mail Service Center
Raleigh, NC 27699-1598
RE: Manteo Bypass Bridge Mitigation Site,Dare County,TIP No. R-2551, CAMA Permit
No. 7-98, USACE Action ID No. 199502334.
Dear Mr. Harris:
This letter is in response to your correspondence dated June 13, 2005 to the N.C. Division of
Coastal Management (DCM)regarding the regulatory release of the Manteo Bypass Bridge
Mitigation Site in Dare County. The site provides approximately 0.128 acres of brackish marsh
restoration for a permit violation associated with the Manteo Bypass Bridge construction project,
TIP No. R-2551. I apologize that it has taken DCM so long to send this written response.
Although the vegetation density did not quite reach the 5.0 scale factor required by the success
criteria, vegetation density increased each year and it is clear that the site will be successful in
the long run. Therefore, as DCM stated at the annual monitoring report meeting on May 5, 2005,
we agree that the Manteo Bypass Bridge Mitigation Site can be closed and that monitoring can
be discontinued.
Sincerely,
iet-4144*. Att-47121.
Doug Huggett
Major Permits and Consistency Coordinator
CC: Bill Biddlecome, USACE
Randy Griffin, NCDOT
Melissa Carle, DCM
Wanda Gooden,DCM
1638 Mail Service Center, Raleigh, North Carolina 27699-1638
Phone: [phone]\ FAX: [phone]\ Internet: http://dcm2.enr.state.nc.us
An Equal Opportunity\Affirmative Action Employer—50%Recycled\10%Post Consumer Paper

MEMORANDUM
TO: Cathy Brittingham
CC:
FROM: Melissa Carle
DATE: December 16, 2005
SUBJECT: Manteo Bypass Bridge Mitigation Site, Dare County
I think that we can send DOT a close-out letter for this site, as they have requested. While the
vegetation density did not quite reach the 5.0 scale factor required by the success criteria,
vegetation density increased each year and it is clear that the site will be successful in the long
run. I have not visited the site, but am satisfied,based on the information provided in the
monitoring reports,that the site has been successfully restored.
Page 1 of 1

• y d#STATE.
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY LYNDO TIPPETT
GOVERNOR ECRELARY as
June 13, 2005
Mr. Doug Huggett REC Tiri 2 2005
NC Division of Coastal Management Parker Lincoln Building JUL D G 7 2Q_ ' '"
05 City ®CM
2728 Capital Boulevard i pry.OF CORM._Ii,+i4f41uc
Raleigh,NC 27604 RALEIGH
Re: Manteo Bypass Bridge Mitigation Site, Dare County,State Project No. 8.T051403,TIP
No. R-2551 &mods,Action ID No. 199502334, DWQ Project Nos. 970856 & 000964,
DCM Permit No. 7-98
Mr. Doug Huggett:
As you are aware,the Department has monitored the Manteo Bypass Bridge Mitigation Site since
its const,uction in August/September of 1999. Located in Dare County, approximately 5 miles
west of Manteo immediately adjacent to the western terminus of the new bridge over Croatan
Sound, this 0.128-acre site provides brackish marsh restoration. The Manteo Bypass Bridge
provides compensatory mitigation for a permit violation associated with the Manteo Bypass
Bridge construction project. The site was planted May of 2001 and hydrologic monitoring was
not regtn.red for this project. NCDOT proposed to monitor the Manteo Bypass Bridge mitigation
site for ,ve years or until success criteria were met; with vegetation monitoring conducted each
year. After each growing season, annual monitoring reports were submitted to the appropriate
regulatr v agencies.
After five years of vegetation monitoring, vegetation data for 2004 shows that the site has met
the 70% frequency of targeted species criteria by yielding 100%. The vegetative cover scale
value of 4.8 is very close to meeting the requirement of 5.0 for year five. Individual yearly
monitoring data is provided within the annual monitoring reports submitted between 2000 and
2004.
During the annual monitoring report meeting on May 5, 2005,NCDOT and resource agencies
agreed that the Manteo Bypass Bridge Mitigation Site could be closed and that monitoring could
be discontinued. NCDOT requests that the appropriate resource agencies provide documentation
stating that no further monitoring is required and that the site is closed. If you have any questions
about this project,please contact Mr. Randy Griffin at [phone].
MAILING ADDRESS: TELEPHONE: [phone] LOCATION:
NC DEPARTMENT OF TRANSPORTATION FAX: [phone] PARKER LINCOLN BUILDING
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS 2728 CAPITAL BOULEVARD
1598 MAIL SERVICE CENTER WEBSITE: WWW.NCDOT.ORG RALEIGH NC
RALEIGH NC 27699-1598

-
Sincerely,
Pe-LS
Philip S. Harris, III, P.E., Unit Head
PDEA-Natural Environment Unit
cc: Mr. Bill Biddlecome,USACOE
Ms. Christina Breen, DWQ
Mr. Travis Wilson, WRC
Mr. Chris Militscher,EPA •
Mr. Gary Jordan, USFWS
Mr. David Harris, P.E.,NCDOT-REU
Mr. Clay Willis,NCDOT-DEO
Mr. Ron Sechler,NOAA

-. c-c,5 c-,2 ,,,_) c------\---
SUMMARY
The following report summarizes the monitoring activities that have occurred in the past
year at the Manteo Bypass Bridge Mitigation Site. The purpose of the site is to restore
a brackish marsh system that was impacted by the Manteo Bypass Bridge construction
(permit violation). The site was restored in August and September 1999. Monitoring
activities for 2004 include the fifth year of vegetation monitoring for the site.
The mitigation encompasses approximately 0.128 acres of brackish marsh restoration.
The restoration effort involved removing spoil deposited by the jetting of piles and
monitoring the spoil removal area to ensure that natural regeneration of Juncus
roemerianus (blackneedle rush) occurs. No hydrologic monitoring is required for this
project; however, vegetation monitoring is required for five years.
In 2004, the frequency of target species remained consistent at 100% and the
vegetative coverage value improved to 4.8
This is the fifth consecutive year that the Manteo Bypass Bridge site has been
monitored for vegetation. The percent frequency has fulfilled the 70% criterion. The
cover scale value is 4.8 and continues to improve. Therefore, NCDOT proposes to
discontinue vegetation monitoring for this site.
1

1.0 INTRODUCTION
1.1 Project Description
The Manteo Bypass Bridge Mitigation Site is located immediately adjacent to the
western terminus of the new bridge over the Croatan Sound associated with the Manteo
Bypass (TIP R-2551A), as is shown in Figure 1. The site consists of approximately
0.128 acres and provides for the following type of mitigation:
Brackish Marsh Restoration
1.2 Purpose
The purpose of this report is to detail the vegetation monitoring in 2004 at the Manteo
Bypass Bridge Mitigation Site. No hydrologic monitoring is required for this site.
1.3 Project History
October 2000 Vegetation Monitoring (1 yr.)
May 2001 Site Planted
August 2001 Vegetation Monitoring (2 yr.)
July 2002 Vegetation Monitoring (3 yr.)
September 2003 Vegetation Monitoring (4 yr.)
July 2004 Vegetation Monitoring (5 yr.)
2

2.4 Conclusions
Percent Frequency of Target Species (Black Needle Rush) 100%
Frequency of 70% required.
Vegetative Cover Scale Value 4.8
Scale Value of 5 required for year 5.
This marsh grass site is approximately 0.17 acres. The percent frequency meets the
70% requirement. The vegetative cover is very close to meeting the requirement and is
continuing to improve.
NCDOT proposes to discontinue vegetation monitoring at the Manteo Bypass Bridge
Mitigation Site.
3.0 OVERALL CONCLUSIONS/RECOMMENDATIONS
This is the fifth consecutive year that the Manteo Bypass Bridge site has been
monitored for vegetation. The percent frequency has fulfilled the 70% criterion. The
cover scale value is 4.8 and continues to improve. Therefore, NCDOT proposes to
discontinue vegetation monitoring for this site.
6

ANNUAL REPORT FOR 2004
oarnmigow-wom
iilvApardimilla
st_
au* As
Manteo Bypass Bridge Mitigation Site
Dare County
Project No. 8.T051403
TIP No. R-2551 A
OF N0nTN C
490
y
C f
Prepared By:
Office of Natural Environment&Roadside Environmental Unit
North Carolina Department of Transportation
December 2004

TABLE OF CONTENTS
SUMMARY 1
1.0 Introduction 2
1.1. Project Description 2
1.2. Purpose 2
1.3. Project History 2
2.0 Vegetation: 4
2.1. Success Criteria 4
2.2. Description of Species 4
2.3. Results of Vegetation Monitoring 5
2.4. Conclusions. 6
3.0 Overall Conclusions and Recommendations 6
FIGURES
Figure 1 — Site Location Map 3
APPENDICES
Appendix A— Site Photos & Location Map 7

SUMMARY
The following report summarizes the monitoring activities that have occurred in
the past year at the Manteo Bypass Bridge Restoration Site. The purpose of the
site is to restore a brackish marsh system that was impacted by the Manteo
Bypass Bridge construction (permit violation). The site was restored in August
and September 1999. Monitoring activities for 2004 include the fifth year of
vegetation monitoring for the site.
The mitigation encompasses approximately 0.128 acres of brackish marsh
restoration. The restoration effort involved removing spoil deposited by the
jetting of piles and monitoring the spoil removal area to ensure that natural
regeneration of Juncus roemerianus (blackneedle rush) occurs. No hydrologic
monitoring is required for this project; however, vegetation monitoring is required
for five years.
Due to the lack of rapidly recovering/regenerating blackneedle rush, the
Department planted the entire restoration area in May 2001 in an effort to "jump-
start" the vegetation.
In 2004 the frequency of target species remained consistent at 100% and the
vegetative coverage value improved to 4.8. This is above the required frequency
(70%) and very close to the scale value (5) stated in the success criteria for year
five. NCDOT proposes to discontinue vegetation monitoring at the Manteo
Bypass Bridge Mitigation Site.

1.0 INTRODUCTION
1.1 Project Description
The Manteo Bypass Bridge Restoration Site is located immediately adjacent to
the western terminus of the new bridge over the Croatan Sound associated with
the Manteo Bypass (TIP R-2551A), as is shown in Figure 1. The site consists of
approximately 0.128 acres and provides for the following types of mitigation:
Brackish Marsh Restoration
1.2 Purpose
The purpose of this report is to detail the vegetation monitoring in 2003 at the
Manteo Bypass Bridge Restoration Site. No hydrologic monitoring is required for
this particular site.
1.3 Project History
October 2000 Vegetation Monitoring (1 yr.)
May 2001 Site Planted
August 2001 Vegetation Monitoring (2 yr.)
July 2002 Vegetation Monitoring (3 yr.)
September 2003 Vegetation Monitoring (4 yr.)
July 2004 Vegetation Monitoring (5 yr.)
2

f.
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Figure 1: Manteo Bypass Bridge Mitigation Site
3

2.0 VEGETATION: MANTEO BYPASS BRIDGE
(YEAR 5 MONITORING)
2.1 Success Criteria
The vegetative marsh success of the wetland site will be determined in
accordance with NMFS Guidelines. Monitoring plots found to be located within
the open water channel will not be evaluated, and will not count toward the final
count of plots. The vegetation component of the wetland site will be deemed
successful if the following criteria are met:
1. At year five, the average of all plots should have a scale value of 5
(75% vegetative cover) consisting of wetland herbaceous species, not
including any invasive species.
2. A minimum of 70% of the plots shall contain the target (planted)
species.
2.2 Description of Species
The following marsh grass species was planted in the Wetland Restoration Area:
Juncus roemerianus, Black Needle Rush
4

2.3 Results of Vegetation Monitoring
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2 5.0 ✓ / W oolgrass
3 5.0 ✓ ✓
4 5.0 ✓ ✓
5 5.0 ✓ ✓
6 5.0 ✓ _ /
7 5.0 ✓ ✓
8 4.0 ✓ ✓
9 0.0 Open Water
10 0.0 Open Water
11 5.0 ✓ /
12 5.0 ✓ ✓
13 5.0 ✓ V.
14 5.0 ✓ ✓
15 5.0 ✓ /
Frequency (Percentage of Plots with 100% 100%
Desired Species)
Sum Scale Value 63.0
Total Number of Plots 13
Vegetative Cover (Scale Value) 4.8
5

2.4 Conclusions
Percent Frequency of Target Species (Black Needle Rush) 100%
Frequency of 70% required.
Vegetative Cover Scale Value 4.8
Scale Value of 5 required for year 5.
This marsh grass site is approximately 0.17 acres. The percent frequency meets
the 70% requirement. The vegetative cover is very close to meeting the
requirement and is continuing to improve.
NCDOT proposes to discontinue vegetation monitoring at the Manteo Bypass
Bridge Mitigation Site.
3.0 OVERALL CONCLUSIONS/RECOMENDATIONS
Based on the vegetation data provided in this report for the 2004 monitoring year,
NCDOT proposes to discontinue vegetation monitoring for this site.
6

APPENDIX A
SITE PHOTOS & PHOTO LOCATION MAP
7

Manteo Bypass Bridge
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MANTEC BYPASS BRIDGE MARSH PLANTINGS
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ANNUAL REPORT FOR 2003
11111,11.
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Manteo Bypass Bridge Mitigation Site
Dare County
Project No. 8.T051403
TIP No. R-2551 A
CM e * M7-
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OF ZpP:S
Prepared By:
Office of Natural Environment&Roadside Environmental Unit
North Carolina Department of Transportation
December 2003

TABLE OF CONTENTS
SUMMARY 1
1 .0 INTRODUCTION 2
1 .1 Project Description 2
1 .2 Purpose 2
1 .3 Project History 2
2.0 VEGETATION 4
2.1 Success Criteria 4
2.2 Description of Species 4
2.3 Results of Vegetation Monitoring 5
2.4 Conclusions 6
3.0 OVERALL CONCLUSIONS/ RECOMMENDATIONS 6
FIGURES
FIGURE 1 — SITE LOCATION MAP 3
APPENDICES
APPENDIX A — SITE PHOTOS & LOCATION MAP

SUMMARY
The following report summarizes the monitoring activities that have occurred in the past
year at the Manteo Bypass Bridge Restoration Site. The purpose of the site is to
restore a brackish marsh system that was impacted by the Manteo Bypass Bridge
construction (permit violation). The site was restored in August and September 1999.
Monitoring activities for 2003 include the fourth year of vegetation monitoring for the
site.
The mitigation encompasses approximately 0.128 acres of brackish marsh restoration.
The restoration effort involved removing spoil deposited by the jetting of piles and
monitoring the spoil removal area to ensure that natural regeneration of Juncus
roemerianus (blackneedle rush) occurs. No hydrologic monitoring is required for this
project; however, vegetation monitoring is required for five years.
Due to the lack of rapidly recovering/regenerating blackneedle rush, the Department
planted the entire restoration area in May 2001 in an effort to "jump-start" the
vegetation.
In 2003, the frequency of target species remained consistent at 100% and the
vegetative coverage value improved to 4.6. This is above the required frequency (70%)
stated in the success criteria. A scale value of 5 for the vegetative coverage is required
for year five.
1

1.0 INTRODUCTION
1.1 Project Description
The Manteo Bypass Bridge Restoration Site is located immediately adjacent to the
western terminus of the new bridge over the Croatan Sound associated with the Manteo
Bypass (TIP R-2551A), as is shown in Figure 1. The site consists of approximately
0.128 acres and provides for the following types of mitigation:
Brackish Marsh Restoration
1.2 Purpose
The purpose of this report is to detail the vegetation monitoring in 2003 at the Manteo
Bypass Bridge Restoration Site. No hydrologic monitoring is required for this particular
site.
1.3 Project History
October 2000 Vegetation Monitoring (1 yr.)
May 2001 Site Planted
August 2001 Vegetation Monitoring (2 yr.)
July 2002 Vegetation Monitoring (3 yr.)
September 2003 Vegetation Monitoring (4 yr.)
2

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Figure 1: Manteo Bypass Bridge Mitigation Site
3

2.0 VEGETATION: MANTEO BYPASS BRIDGE
(YEAR 4 MONITORING)
2.1 Success Criteria
The vegetative success of this marsh site will be determined in accordance with NMFS
Guidelines. Monitoring plots found to be located within the open water channel will not
be evaluated, and will not count toward the final count of plots. The vegetation
component of the wetland site will be deemed successful if the following criteria are
met:
1. At year five, the average of all plots should have a scale value of 5 (75%
vegetative cover) consisting of wetland herbaceous species, not including any
invasive species.
2. A minimum of 70% of the plots shall contain the target (planted) species.
2.2 Description of Species
The following marsh grass species was planted in the Wetland Restoration Area:
Juncus roemerianus, Black Needle Rush
4

2.3 Results of Vegetation Monitoring
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15 5.0 13 N
Frequency (Percentage of Plots with 100% 100%
Desired Species)
Sum Scale Value 65
Total Number of Plots 14
Vegetative Cover (Scale Value) 4.6
5

2.4 Conclusions
Percent Frequency of Target Species (Black Needle Rush) 100%
Frequency of 70% required.
Vegetative Cover Scale Value 4.6
Scale Value of 5 required for year 5.
This marsh site is approximately 0.128 acres. The percent frequency meets the 70%
requirement. The vegetative cover did not meet the requirement but is on track for the
fourth year of monitoring.
NCDOT will continue vegetation monitoring at the Manteo Bypass Bridge Mitigation
Site.
3.0 OVERALL CONCLUSIONS/RECOMENDATIONS
Based on the vegetation data provided in this report for the 2003 monitoring year,
NCDOT proposes to continue vegetation monitoring for this site.
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APPENDIX A
SITE PHOTOS & PHOTO LOCATION MAP

Manteo Bypass Bridge
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2003

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MANTEO BYPASS BRIDGE MARSH PLANTINGS
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PHOTO and RANDOM PLOT LOCATIONS
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(1) Photo Locations

,
,
ANNUAL REPORT FOR 2004
Jager 0 Wilb- \ ..
two.- r, ,, %oar
„eillioriVampal ...,/ 04011,
'Wit IL , v „,,,
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Manteo Bypass Bridge Mitigation Site
Dare County
Project No. 8.T051403
TIP No. R-2551 A
f KoRTH c
o
44,
a
7 AA
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"slop
Prepared By:
Office of Natural Environment& Roadside Environmental Unit
North Carolina Department of Transportation
December 2004

.
TABLE OF CONTENTS
SUMMARY 1
1 .0 INTRODUCTION 2
1 .1 Project Description 2
1 .2 Purpose 2
1 .3 Project History 2
2.0 VEGETATION 4
2.1 Success Criteria 4
2.2 Description of Species 4
2.3 Results of Vegetation Monitoring 5
2.4 Conclusions 6
3.0 OVERALL CONCLUSIONS/ RECOMMENDATIONS 6
FIGURES
FIGURE 1 — SITE LOCATION MAP 3
APPENDICES
APPENDIX A — SITE PHOTOS & LOCATION MAP
U

SUMMARY
The following report summarizes the monitoring activities that have occurred in the past
year at the Manteo Bypass Bridge Mitigation Site. The purpose of the site is to restore
a brackish marsh system that was impacted by the Manteo Bypass Bridge construction
(permit violation). The site was restored in August and September 1999. Monitoring
activities for 2004 include the fifth year of vegetation monitoring for the site.
The mitigation encompasses approximately 0.128 acres of brackish marsh restoration.
The restoration effort involved removing spoil deposited by the jetting of piles and
monitoring the spoil removal area to ensure that natural regeneration of Juncus
roemerianus (blackneedle rush) occurs. No hydrologic monitoring is required for this
project; however, vegetation monitoring is required for five years.
In 2004, the frequency of target species remained consistent at 100% and the
vegetative coverage value improved to 4.8
This is the fifth consecutive year that the Manteo Bypass Bridge site has been
monitored for vegetation. The percent frequency has fulfilled the 70% criterion. The
cover scale value is 4.8 and continues to improve. Therefore, NCDOT proposes to
discontinue vegetation monitoring for this site.

1.0 INTRODUCTION
1.1 Project Description
The Manteo Bypass Bridge Mitigation Site is located immediately adjacent to the
western terminus of the new bridge over the Croatan Sound associated with the Manteo
Bypass (TIP R-2551A), as is shown in Figure 1. The site consists of approximately
0.128 acres and provides for the following type of mitigation:
Brackish Marsh Restoration
1.2 Purpose
The purpose of this report is to detail the vegetation monitoring in 2004 at the Manteo
Bypass Bridge Mitigation Site. No hydrologic monitoring is required for this site.
1.3 Project History
October 2000 Vegetation Monitoring (1 yr.)
May 2001 Site Planted
August 2001 Vegetation Monitoring (2 yr.)
July 2002 Vegetation Monitoring (3 yr.)
September 2003 Vegetation Monitoring (4 yr.)
July 2004 Vegetation Monitoring (5 yr.)
2

•
•
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Figure 1: Manteo Bypass Bridge Mitigation Site
3

2.0 VEGETATION: MANTEO BYPASS BRIDGE
(YEAR 5 MONITORING)
2.1 Success Criteria
The vegetative marsh success of the wetland site will be determined in accordance with
NMFS Guidelines. Monitoring plots found to be located within the open water channel
will not be evaluated, and will not count toward the final count of plots. The vegetation
component of the wetland site will be deemed successful if the following criteria are
met:
1. At year five, the average of all plots should have a scale value of 5 (75%
vegetative cover) consisting of wetland herbaceous species, not including any
invasive species.
2. A minimum of 70% of the plots shall contain the target (planted) species.
2.2 Description of Species
The following marsh grass species was planted in the Wetland Restoration Area:
Juncus roemerianus, Black Needle Rush
4

2.3 Results of Vegetation Monitoring
,..,
.t3
z..-
3... Z 0
0
a"
C.4 U C
0 Z 0
CEI
It C.J 0
a: Cr E
© 74 , 44 o
C.)
1 4.0 M II
2 5.0 171 M W oolgrass
3 5.0
4 5.0 M M
5 5.0 M M _____
6 5.0 N II
7 5.0 M M
8 4.0 1 X
9 0.0 Open Water
10 0.0 Open Water
11 5.0 M M
12 5.0 N 111
13 5.0 111 171
14 5.0 II II
15 5.0 M I
Frequency (Percentage of Plots with 100% 100%
Desired Species)
Sum Scale Value 63.0
Total Num ber of Plots 13
Vegetative Cover (Scale Value) 4.8
5

2.4 Conclusions
Percent Frequency of Target Species (Black Needle Rush) 100%
Frequency of 70% required.
Vegetative Cover Scale Value 4.8
Scale Value of 5 required for year 5.
This marsh grass site is approximately 0.17 acres. The percent frequency meets the
70% requirement. The vegetative cover is very close to meeting the requirement and is
continuing to improve.
NCDOT proposes to discontinue vegetation monitoring at the Manteo Bypass Bridge
Mitigation Site.
3.0 OVERALL CONCLUSIONS/RECOMMENDATIONS
This is the fifth consecutive year that the Manteo Bypass Bridge site has been
monitored for vegetation. The percent frequency has fulfilled the 70% criterion. The
cover scale value is 4.8 and continues to improve. Therefore, NCDOT proposes to
discontinue vegetation monitoring for this site.
6

APPENDIX A
SITE PHOTOS & PHOTO LOCATION MAP

Manteo Bypass Bridge
0
Iw
Photo 1 Photo 2
=,
it
Photo 3
2004

•
WM-1
MANTEO BYPASS BRIDGE MARSH PLANTINGS
2004 PHOTO and RANDOM PLOT LOCATIONS
L,
r 1~^ t ( e
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41.
* * is
r
I/ ,/ s
/1 MARSH PLANTINGS (0.17 ACRES) „ ,,.1,7a, a-.ram
d Photo Locations
tip -=}E=
t.