Outer Banks Bridges Update:

Transcription

1 Outer Banks Bridges Update: Outer Banks Chamber of Commerce Economic Summit Jerry D. Jennings, PE - Division Engineer April 12, 2018

2 Mid-Currituck Bridge Currituck Sound (Wright Memorial Bridge) Alligator River (Lindsay C. Warren Bridge) Oregon Inlet (Herbert C. Bonner Bridge) Pea Island (Captain Richard Etheridge Bridge) Rodanthe Bridge 2

3 Alligator River Bridge 3

4 Alligator River Bridge Preservation project Mechanical/electrical rehab of swing span Concrete and pile repairs Contract awarded to Flatiron Constructors Contract amount of $16,676,729 Contract completion September 17,

5 Wright Memorial Bridge 5

6 Wright Memorial Bridge Preservation project of Eastbound Bridge Deck overlay, concrete and pile repairs Contract awarded to Flatiron Constructors Contract amount is $21,072,992 Bridge scheduled to reopen by May 14, 2018 Contract completion November 1,

7 Mid-Currituck Bridge 7

8 Ongoing Activities Mid-Currituck Bridge Interagency coordination meeting held in March Completing Reevaluation Report with FHWA Continuing traffic and revenue studies Traffic and revenue studies will be used to develop Plan of Finance Plan of Finance will inform project delivery (construction contract) 8

9 Mid-Currituck Bridge Current Schedule Draft EIS Completed Final EIS Completed Reevaluation April 2018 Record of Decision Spring/Summer 2018 Begin Construction To be determined Open to Traffic To be determined *Schedule is preliminary and subject to change 9

10 Rodanthe Bridge Historical hot spot Breach formed during Hurricane Irene in August 2011 Further damage from Hurricane Sandy in October 2012 Beach nourishment completed September 2014 as an interim approach Extensive over wash during recent nor easters 10

11 Rodanthe Bridge 11

12 Rodanthe Bridge Planning for long term solution has been underway for several years Record of Decision approved in December 2015 Includes 2.4 mile long jug handle design 12

13 Rodanthe Bridge 13

14 Rodanthe Bridge Design-build contract awarded to Flatiron Constructors in January 2017 RK&K is the lead design firm Contract amount of $145 million Design and permitting underway Right of way acquisition underway Onsite construction to begin Summer 2018 Completion in

15 Rodanthe Bridge 15

16 Pea Island Bridge Historical area of New Inlet Breach formed during Hurricane Irene in August ft. temporary steel bridge constructed Planning underway for longer term solution 16

17 Pea Island Bridge 17

18 Pea Island Bridge Contract awarded to T. A. Loving Co. in November 2015 Contract amount of $14.3 million Includes 1/2 mile long concrete structure Onsite construction began in March

19 Pea Island Bridge 19

20 Pea Island Bridge 20

21 Pea Island Bridge Opened to Traffic Nov. 14, 2017 Named Captain Richard Etheridge Bridge 21

22 Pea Island Bridge 22

23 Bonner Bridge Replacement 23

24 Bonner Bridge Replacement Existing Bonner Bridge opened in 1963 Planning began for replacement in 1990 Settlement agreement reached to replace bridge in 2015 Construction began in March

25 Bonner Bridge Replacement Prime contractor is PCL Civil Constructors, Inc. HDR Engineering, Inc. is the lead design firm Contract amount of about $250 million 25

26 Bonner Bridge Replacement Old New Bridge length (miles) Number of bents Number of navigation spans 1 9 Navigation opening width (feet) /- Design lifespan (years)

27 Bonner Bridge Replacement Many precast concrete elements used Stainless reinforcing steel and high durability concrete used to protect against corrosion 6,300 ft. work trestle used on north end Bridge demolition material to be placed in offshore reef sites Portion of existing bridge to be retained at south end 27

28 Bonner Bridge Replacement 28

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44 ~80 ft. ~70 ft. ~300 ft. 44

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49 Bonner Bridge Replacement Status Contract completion is about 79% (includes design, mobilization, materials fabrication) Onsite construction is about 68% complete Multiple operations ongoing concurrently 24 hours/day for some activities Scheduled bridge opening late 2018 Contract completion Fall

50 Questions? Jerry D. Jennings, PE Division Engineer (252)