Oregon Inlet

Oregon Inlet is an inlet along North Carolina's Outer Banks. It joins the Pamlico Sound with the Atlantic Ocean and separates Bodie Island from Pea Island, which are connected by the 2.8 mile Marc Basnight Bridge that spans the inlet. As one of the few access points to the ocean along this stretch of coast, Oregon Inlet is a major departure point for charter fishing trips, with a nearby harbor serving as the base for many large boats that travel miles out towards the Gulf Stream almost every day. The inlet is also the location of a U.S. Coast Guard station.

History

Oregon Inlet was formed when a hurricane lashed the Outer Banks in 1846, separating Bodie Island from Pea Island. One ship that rode out that storm in Pamlico Sound was named the Oregon. After the storm the crew members of this ship were the first to tell those on the mainland about the inlet's formation. Hence, it has been known as Oregon Inlet ever since.

Akin to many other inlets along the Outer Banks, Oregon Inlet moves southward due to drifting sands during tides and storms. It has moved south over two miles since 1846, averaging around 66 feet per year.

Coast Guard station
Oregon Inlet Coast Guard Station, built for $3.5 million in 1990, as it looked in 2009.

The Coast Guard station at Oregon Inlet is currently located at its fourth site since it began as a lifesaving station in 1883. It was one of 29 lifesaving stations Congress approved and appropriated funds for a decade earlier. By 1888, the Oregon Inlet Station had to be relocated to a new site. It is assumed that this relocation was necessary because of the shifting of the channel to the south and the encroachment of the ocean from the east. The station was decommissioned and moved to a new safer location some 400 feet westward toward the sound.

Less than a decade later a storm totally destroyed the Oregon Inlet Station. By 1897, a new station was under construction and was completed in 1898 for less than $7,000. As part of a modernization program in 1933-34, the Oregon Inlet Station was extensively modified to look very much like it does today. In 1979, a new extension was added. By 1988, the station was completely abandoned when the southward migration of the Oregon Inlet threatened to swallow it.

In July 1990, a ceremonial ground breaking was held for a new $3.5 million building, located just behind the Oregon Inlet Fishing Center, on the north side of the inlet. The new station was designed with the traditional architectural design of older stations located on the Outer Banks in mind.

Herbert C. Bonner Bridge
Herbert C. Bonner Bridge
Oregon Inlet/Bonner Bridge
Coordinates35°46′00.3″N 75°31′39.8″W
LocaleDare County
Other name(s)Oregon Inlet Bridge
Bonner Bridge
Named forHerbert C. Bonner
OwnerNCDOT
Maintained byNCDOT
Characteristics
DesignSteel stringer
Total lengthBefore demolition 12,865.8 feet (3,921.5 m) After demolition 1,000 feet (300 m)
Width33.5 feet (10.2 m)
Clearance below6.6 feet (2.0 m)
History
Opened1963
Closed2019

The Herbert C. Bonner Bridge was a two-lane automobile bridge spanning the Oregon Inlet, between Bodie Island from Pea Island, in Dare County, North Carolina. The bridge carried NC 12 and was utilized by local and seasonal tourist traffic. The 2.7-mile (4.3 km) bridge was built in 1963 and was dedicated to Herbert C. Bonner.[1]

Prior to the building of the Bonner bridge, Hatteras Island was only accessible by air or ferry. Ferries could carry a maximum of 2,000 people per day.[2] The ferries cost the state $500,000 per year to operate, and there were very long lines waiting for the ferries during peak season.[2] Due to the constantly shifting sandbars in the inlet, groundings were a constant problem. The Bonner Bridge cost $4 million to build and moves up to 14,000 cars a day in both directions.[2] Of that amount, the state of North Carolina paid $1.5 million, and the federal government paid $2.5 million.[2] The arrangement for a portion of the state's cost to be paid by the National Park Service was arranged by Rep. Herbert C. Bonner, for whom the bridge is named.[2] The bridge also made it possible to provide electric power to the islands using transmission lines rather than generators.[3]

The environmental impact on the Bonner bridge and road was not fully understood at the time of construction, and now constant beach erosion, severe weather and high volume of traffic continually forces the state to protect the integrity of the road system. As much as $50 million was spent between 1987 and 1999 to repair and protect the Bonner Bridge and NC 12 from the ocean. The bridge was due for replacement by the early 1990s but construction on the new bridge had been continually held back by environmental lawsuits brought by the Southern Environmental Law Center.[4]

The Bonner Bridge was expected to have a thirty-year lifespan.[5] The bridge handled about 2 million cars per year,[6] and the state DOT ranked it a 4 on a scale of 1 to 100, with 100 being the safest.[1]

In October 1990, a dredge collided with the bridge during a storm, causing severe damage to several of the spans.[7] While isolated, Hatteras Island could only be accessed by boat or plane for many weeks while emergency construction was underway to replace its only highway link to the mainland.[8]

The Federal Highway Administration approved the plan to replace the bridge over Oregon Inlet that connects with Pea Island and lies within the Cape Hatteras National Seashore.[6] It would be longer and curve farther inland and was expected to cost approximately $1.3 billion and be completed by 2014, although it was likely to be later.[9][10] On July 26, 2011 NCDOT awarded a $215.8 million contract to replace the bridge. In September 2013 the last of the legal obstacles were handled after a judge ruled in favor of the new bridge to be constructed. Construction was set to begin in early 2013 but was halted once again after an appeal was filed by the SELC. The new bridge was then to open to traffic in spring 2015 and the majority of the existing bridge was to be demolished (a portion will remain as a fishing pier).

On December 3, 2013, NCDOT closed the bridge due to immediate safety concerns. Routine sonar scanning of the bridge identified scouring concerns, or areas where too much sand has eroded from the support structure of the bridge. "Closing the Bonner Bridge is necessary to keep all travelers safe, but we know it will have a devastating effect on the people who live along and visit the Outer Banks," said NCDOT Secretary Tony Tata. "We will work to safely reopen this vital lifeline quickly, and hope to be able to begin construction on a new bridge as soon as possible." Until it was safe to reopen, The NCDOT Ferry Division provided emergency support to move cars and trucks across the Pamlico Sound between Rodanthe and Stumpy Point.[11] After sand was dredged to support some of its pilings, the bridge reopened to traffic on December 15, 2013.

On December 16, 2015 crews from Cape Hatteras Electric Cooperative began moving underground electric cables, which were subsequently attached to the old Bonner Bridge, that connected Hatteras Island to the cooperative's power supplier Dominion North Carolina Power. This was done in order for construction of the new bridge to begin and signaled the beginning of the bridge construction process.[12]

Marc Basnight Bridge
Marc Basnight Bridge
Coordinates35°46′21″N 75°32′14″W
Carries NC 12
CrossesOregon Inlet
LocaleDare County
Named forMarc Basnight
OwnerNCDOT
Maintained byNCDOT
Characteristics
Total length2.8 miles[13]
History
DesignerHDR, Inc.
Engineering design byHDR, Inc.
Construction startMarch 8, 2016
Construction end2019
OpenedFebruary 25, 2019

The official groundbreaking for construction of the new bridge was held on March 8, 2016.[12] The project cost $252 million and the new bridge was expected to open in February 2019.[14]

A crew working on the bridge on July 27, 2017, severed a power cable and caused a widespread blackout on the Outer Banks islands.[15] 50,000 tourists had to be evacuated until power was restored August 3, 2017.[3]

The 2.8-mile-long bridge opened February 25, 2019. On March 7, 2019 state board of transportation voted to name the new bridge for Marc Basnight[16] despite the fact that during its three-year construction it had already become widely known as the New Bonner Bridge and had been repeatedly referred to as such in news articles. The decision to name the new bridge for Basnight was controversial and was opposed by many residents of Hatteras Island who wanted it to be named for Bonner.[17]

The bridge received the Deep Foundation Institute’s Outstanding Project Award in 2019 due to the bridge's innovative foundation, designed to withstand extreme bridge scour.[13]

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References
  1. James, Erin (July 7, 2011). "NCDOT: Suit Won't Delay Bonner Bridge Replacement". The Virginian-Pilot.
  2. Shires, William A. (November 16, 1963). "New Oregon Inlet Bridge Will Enable Many To Visit Hatteras". The Dispatch. Lexington, North Carolina: Google News Archive. p. 4.
  3. Hampton, Jeff; Hafner, Katherine (2017-08-03). "With power restored to Hatteras, Ocracoke islands, tourists can return at noon Friday". The Virginian-Pilot. Retrieved 2017-08-31.
  4. http://www.fws.gov/peaisland/images/bonnerbridgefactsheet62603.pdf
  5. "DOT: Replace the Bonner Bridge". The Times-News. The Times-News. Associated Press. April 24, 1991 – via Google News Archive.
  6. Breen, Tom (December 21, 2010). "Bonner Bridge Replacement Gets Green Light in NC". Associated Press. Bloomberg Businessweek.
  7. "Bridge Collapse Isolates Hatteras Island". The Pittsburgh Press. Google News. Associated Press. October 27, 1990. p. A2.
  8. "The Bonner Bridge at Oregon Inlet, damaged by a dredge: The Outer Banks of North Carolina - Dare County, Currituck County, and Hyde County [NC]". Outerbanks.com. Retrieved 2009-07-16.
  9. "Agencies Agree On First Stage in Replacing Bonner Bridge". WRAL.com<!. 2007-08-27. Retrieved 2009-07-16.
  10. "NCDOT: Bonner Bridge". Retrieved 2010-03-26.
  11. "NCDOT STATEMENT on Bonner Bridge Closing". WVEC.com. 2013-12-03. Retrieved 2013-12-03.
  12. http://www.ncdot.gov/projects/bonnerbridgereplace/
  13. "North Carolina's Basnight Bridge Recognized for Innovative Use of Concrete Piles". ForConstructionPros.com. June 20, 2019. Retrieved June 24, 2019.
  14. Waggoner, Martha (February 9, 2019). "Bonner Bridge replacement finally opening at Outer Banks". Raleigh, NC: WNCN-TV. Retrieved February 10, 2019.
  15. Dobrin, Isabel; Sidersky, Robyn (2017-07-27). "More than 7,000 on Hatteras and Ocracoke are without power, and a fix was expected to take days or weeks". The Virginian-Pilot. Retrieved 2017-07-29.
  16. "Transportation Board Votes to Name New Oregon Inlet Bridge in Honor of Marc Basnight". NC Dept. of Transportation Press Releases. March 7, 2019. Retrieved June 21, 2019.
  17. https://www.thecoastlandtimes.com/2019/02/27/bridge-naming-is-controversial/
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