20140628 Ver 2_Email_20141128

1
Bailey, David E SAW
From:Thomson, Nicole J [[e-mail]]
Sent:Thursday, November 13, 2014 3:05 PM
To:Bailey, David E SAW; Wanucha, Dave
Cc:Gregory, Sonia
Subject:[EXTERNAL] Bridge 135 on SR 2356 (Holman Mill Rd) over Reedy Branch, Alamance Co.;
WBS No. 17.BP.7.R.47; USACE AID SAW 2014-01180; DWR Project No. 20140628 - Part 1
Attachments:Signed PCN.pdf; 2014-01180 NW 14.pdf; Bridge No. 135 (2).pdf; SR 2356 - Bridge 135 -
Division 7 - STR - CF 02 - Alamance.pdf
Good afternoon everyone! 

Please see the attached PCN and Supplemental information for the above bridge.  This was 
previously approved earlier this year.  NCDOT is requesting a reauthorization of the project 
as the proposed design has changed due to constructability issues at the site.  As per the 
usual, size constraints require that I split this up into several emails. 

Also, Dave B. – please note that I just realized I did NOT send you a hard copy of the 
“Bridge to Bottomless Culvert to Standard Culvert” justification letter.  I goofed and 
realized when I got back to my office that I had left it on the printer.  It will be part of 
the digital copy that I send to you. 

Please feel free to contact me with any questions or concerns. 

Thanks! 

Nik 

Nicole J. Thomson 

NC DOT Division 7 

Division Environmental Supervisor Assistant 

PO Box 14996 

Greensboro, NC 27415‐4996 

Cell Phone:  [phone] 

________________________________ 
Alamance County Br# 000135 
SR 2356   
Holman Hill Road 
Over Reedy Branch 

The project consists of replacing 26 foot long Structurally Deficient Bridge that has a Sufficiency Rating 
of 21.8 in Alamance County.  The current structure was constructed primarily with timbers in 1957.  
Timber structures typically have a life span of 50 years and this structure is 57 years old and has reached 
the end of its life cycle. 
The proposed structure consists of a precast single span of 22 feet by 5.25 feet high culvert.  Due to a 
low non‐scourable rock elevation a floor will be required.  In order to construct this structure as a 
bottomless culvert an additional 8.87 feet of excavation would be required to reach the non‐scourable 
rock.  This in itself would create greater impacts due to the fact that the deeper the excavation the 
wider the excavation that will be required in order to meet the safety regulations for OSHA.  This 
structure meets the hydrological requirements of the drainage area without significantly altering the 
FEMA Flood studies.  The use of this type of precast structure will reduce the construction time from 120 
days to 90 days as compared to that of a bridge.  Precast culverts have lower construction and 
maintenance cost over the life cycle of the structure as compared to a bridge.  When site conditions 
allow culverts are the preferred structure of choice due to the lower overall cost and minimum 
construction time while still maintaining the integrity of the stream bed.  Current budget constraints 
require us to take the most economical option that meets environmental and safety concerns. 
Typically the length of a bridge will be much longer than that of a culvert.  Increasing the bridge length 
creates several issues that must be overcome.  If a bridge is utilized there must be at least four feet of 
clearance under the bridge to allow access for maintenance workers at the abutment.  In areas where 
culverts are recommended this requires us to raise the roadway grade which will also increases the 
impacts due to the increased fill slopes.  Raising the roadway grade also affects the FEMA Flood Plain 
Mapping.  In turn we cannot meet the requirements of the Memorandum of Agreement (MOA) with 
FEMA.  If the new bridge cannot be sized to meet the requirements of an MOA then map revisions need 
to be performed for FEMA.  First through a CLOMR (Conditional Letter of Map Revision) then a LOMR 
(Letter Of Map Revision).  NCDOT works very hard to make sure the replacement structure meets the 
requirements of the MOA.  Smaller streams in the Piedmont area are often best suited for culverts to 
minimize raising the roadway grade.  
U.S. ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT
Action Id. SAW-2014-01930 County: Alamance U.S.G.S. Quad: NC-CRUTCHFIELD CROSSROADS
GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION
Permittee: NCDOT
attn: Jerry Parker
Address:P.O. Box 14996
Greensboro, NC, 27415
Size (acres) 0.6 Nearest Town Snow Camp
Nearest Waterway Reedy Branch River Basin Haw. North Carolina.
USGS HUC 3030002 Coordinates 35.870235 N, -79.400896 W
Location description: This project is located at Bridge 248 on SR 22354 (Quakenbush Road) in Alamance County, North
Carolina.
Description of projects area and activity: The proposed project involves replacing an existing bridge with a 30 ft. by 3.5 ft.
bottomless culvert. Impacts include permanent impacts to 64 linear feet (0.03 acre) of stream channel for culvert installation,
channel realignment, and floodplain bench stabilization and temporary impacts to 20 linear feet (0.01 acre) of stream channel
for temporary construction access and dewatering.
Applicable Law: Section 404 (Clean Water Act, 33 USC 1344)
Section 10 (Rivers and Harbors Act, 33 USC 403)
Authorization: Regional General Permit Number or Nationwide Permit Number: NWP 14 Linear Transportation
Projects.
SEE ATTACHED RGP or NWP GENERAL, REGIONAL AND SPECIAL CONDITIONS
Your work is authorized by the above referenced permit provided it is accomplished in strict accordance with the attached
conditions and your submitted application and attached information dated and sent via e-mail 10/02/2014. Any violation of
the attached conditions or deviation from your submitted plans may subject the permittee to a stop work order, a restoration
order, a Class I administrative penalty, and/or appropriate legal action.
This verification will remain valid until the expiration date identified below unless the nationwide authorization is modified,
suspended or revoked. If, prior to the expiration date identified below, the nationwide permit authorization is reissued and/or
modified, this verification will remain valid until the expiration date identified below, provided it complies with all requirements of
the modified nationwide permit. If the nationwide permit authorization expires or is suspended, revoked, or is modified, such that the
activity would no longer comply with the terms and conditions of the nationwide permit, activities which have commenced (i.e., are
under construction) or are under contract to commence in reliance upon the nationwide permit, will remain authorized provided the
activity is completed within twelve months of the date of the nationwide permit’s expiration, modification or revocation, unless
discretionary authority has been exercised on a case-by-case basis to modify, suspend or revoke the authorization.
Activities subject to Section 404 (as indicated above) may also require an individual Section 401 Water Quality Certification. You
should contact the NC Division of Water Quality (telephone [phone]) to determine Section 401 requirements.

For activities occurring within the twenty coastal counties subject to regulation under the Coastal Area Management Act (CAMA),
prior to beginning work you must contact the N.C. Division of Coastal Management.

This Department of the Army verification does not relieve the permittee of the responsibility to obtain any other required Federal,
State or local approvals/permits.

If there are any questions regarding this verification, any of the conditions of the Permit, or the Corps of Engineers regulatory
program, please contact David Bailey at [phone] ext. 30 or [e-mail].
Corps Regulatory Official: ___________________________ Date: 10/20/2014
Expiration Date of Verification:03/18/2017
Copy furnished:
Dave Wanucha, NCDENR-DWR, 585 Waughtown Street, Winston-Salem, NC 27107
BAILEY.DAVID.E.137928
3736
Digitally signed by BAILEY.DAVID.E.1379283736
DN: c=US, o=U.S. Government, ou=DoD, ou=PKI,
ou=USA, cn=BAILEY.DAVID.E.1379283736
Date: 2014.10.20 13:29:21 -04'00'
Special Conditions:
1.In order to compensate for impacts associated with this permit, mitigation shall be provided in
accordance with the provisions outlined on the most recent version of the attached Compensatory
Mitigation Responsibility Transfer Form. The requirements of this form, including any special
conditions listed on this form, are hereby incorporated as special conditions of this permit authorization.
Corps Regulatory Official: ___________________________ Date: 10/20/2014
Expiration Date of Verification: 03/18/2017
BAILEY.DAVID.
E.1379283736
Digitally signed by
BAILEY.DAVID.E.1379283736
DN: c=US, o=U.S. Government,
ou=DoD, ou=PKI, ou=USA,
cn=BAILEY.DAVID.E.1379283736
Date: 2014.10.20 13:29:36 -04'00'
(Version 1.2; Released September 2011)
17BP.7.R.63 County(ies):Alamance Page 1 of 1
Project Type:Date:
Phone:Phone:
Email:Email:
County(ies):
CAMA County?
Design/Future:Existing:
Supplemental: Nutrient Sensitive Waters (NSW)
Primary:
Reedy Branch
Cape Fear
16-28-3
2 lane road with 10' travel lanes, varying shoulders (4' grassed, up to 5' paved with 3'
grassed w/o guardrail, 4' to 5' paved with 3' grassed w/ guardrail)
Jordan Lake
NCDWQ Stream Index No.:
Project/TIP No.:
NCDOT Contact:
Project No.:17BP.7.R.63
Contractor / Designer:
[e-mail]
Raleigh, NC 27610
General Project Information
Address:
10/15/2014
Haymes Brothers
1020 Birch Ridge Drive 440 Hawkins Road
Chatham, VA 24531
North Carolina Department of Transportation
Highway Stormwater Program
STORMWATER MANAGEMENT PLAN
FOR LINEAR ROADWAY PROJECTS
Galen Cail, P.E.
Bridge Replacement
ac.
General Project Narrative:The project consists of replacement of Bridge 135 on SR 2356 (Holman Mill Road) over Reedy Branch and associated roadway work. The proposed structure will be a 22' x 5'
crownspan or equivalent type culvert with bottom slab. The project will increase impervious surface by 2,277 ft2 (0.05 ac). The existing grass swales will be moved outward to
accommodate the new structure and roadway improvement. Due to the relatively steep topography, two rock checks (as opposed to preformed scour holes) will be installed
in the swales. As per NCDOT Alternative Design Criteria, rock checks are a recommended option in such circumstances. Runoff velocities are attached.
Typical Cross Section Description:

References
0.18
Average Daily Traffic (veh/hr/day):
ac.
Other Stream Classification:
City/Town:
434-432-8282
NCDOT Hydraulics Unit Address:
Saxapahaw
919-707-6601
Alamance
No
NCDWQ Surface Water Classification for Primary Receiving Water
303(d) Impairments:
River Basin(s):
Primary Receiving Water:
Water Supply V (WS-V)
Buffer Rules in Effect
Project Description
None
Surrounding Land Use: argicultural0.057 mi
0.13Project Built-Upon Area (ac.)
Proposed Project Existing Site
Project Length (lin. Miles or feet):
LOOKING WEST UPSTREAM
LOOKING EAST DOWNSTREAM
01/31/2011000135CountyALAMANCEDate:Structure Structure Photos
SUPERSTRUCTURE
ABUTMENT 1
01/31/2011000135CountyALAMANCEDate:Structure Structure Photos
LOOKING EAST
LOOKING EAST DOWNSTREAM FROM TOP
01/31/2011000135CountyALAMANCEDate:Structure Structure Photos
LOOKING WEST UPSTREAM FROM TOP
LOOKING WEST
01/31/2011000135CountyALAMANCEDate:Structure Structure Photos
LOOKING NORTH
POSTING
01/31/2011000135CountyALAMANCEDate:Structure Structure Photos