20140513 Ver 2_Application_20150427

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STATE OF NORTH CAROLINA
DEPARTIVIENT OF TRANSPORTATION
PA"I�RICK L. MCCRORY
GOVERNOR
April 27, 2015
Greg Daisy
NC Division of Coastal Management
1367 US 17 South
Elizabeth City, NC 27909
AN'17 fONY .T. Tf1TA
SECRETARY
Subject: Request for a Permit modification for the design changes on the replacement of
Bridge # 3 over Deep Creelc on US 264 in Dare County. WBS # 17BP.1.R.50
The North Carolina Department of Transportation is requesting a permit
modification for changes in the design of Bridge # 3 over Deep Creek in Dare County.
The original design has been altered by a slight inaccuracy in survey elevations that
established construction grades for roadway and bridge elevations. The error in the
construction bench znark elevation resulted in the bridge structure being set at a higher
elevation along with the roadway approaches. The change in elevation is approximately
8.5 inches higher than the original design. This will increase the navigational clearance
under the bridge by 8.7 inches from the existing permitted design, as shown on the
pr�ovided permit drawings. Along with the bridge elevation increase, the roadway
approach elevations are increased to match the bridge. An increased roadway elevation
results in more fill and steeper slopes along the road shoulder. Therefore, the new design
had to utilize rip-rap as a means to stabilize seciions of the road shoulder, which will now
be at a 1.5:1 slope. The steeper slopes will avoid any additional widening of the roadway
fill and wetland impacts. The proposed rip-rap is not being placed as shoreline
stabilization, but only to stabilize the road shoulder, which is being put at a steeper slope
than allowed by NCDOT specifications. The additional road shoulder stabilization will
account for 685 feet of rip-rap being placed along the road shoulder. These areas are
depicted on the provided perinit drawings. There is no additional surface water or wetland
impacts resulting from the design changes. All original permit conditions and stipulations
will be followed in accordance with the permits.
113 Airport Dr., Suite ] 00, Edenton, NC 27932 — Phone: [phone] Fax: [phone]

Included with this letter are the location inaps, original permit drawings and
modified permit drawings. If you have questions please call me at [phone]. The
permit fee can be charged to WBS # 17BP.1.R.50
Sincerely,
Jeriy Jennings
Division One Engineer
Clay Willis ��� ���
Division One Environ�nental Officel•
113 Airport Dr., Suite 100, Edenton, NC 27932 — Phone: [phone] Fax: [phone]