An aerial view of the active construction site for the new Alligator River Bridge in North Carolina.
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Sponsor Our ArticlesNorth Carolina has officially commenced the construction of the $450 million Alligator River Bridge. This project will replace the aging Lindsay C. Warren Bridge, enhancing safety and transportation for motorists and marine traffic. Set to be completed in Fall 2029, the new two-lane, high-rise structure will significantly improve traffic flow and reduce delays for both vehicles and boats, marking a vital upgrade in the region’s infrastructure.
In an ambitious move to enhance transportation infrastructure, the construction of a $450 million Alligator River Bridge began in February 2025. This project aims to replace the aging Lindsay C. Warren Bridge, which has served U.S. Highway 64 over the Alligator River since its opening in 1960. With a projected completion date set for Fall 2029, the new bridge will mark a significant upgrade in both safety and reliability for motorists and marine traffic alike.
The new Alligator River Bridge will be a modern, two-lane, fixed-span, high-rise structure stretching an impressive 3.2 miles. Designed to accommodate the growing needs of the area, it will include two 12-foot travel lanes and generous 8-foot breakdown lanes. The structure’s elevation will rise 65 feet above the water, allowing boats to navigate without interruptions, significantly reducing the day-to-day delays faced by the current swing-span bridge.
Unlike the Lindsay C. Warren Bridge, which has been labeled as “structurally deficient” by inspectors from the North Carolina Department of Transportation (NCDOT), the new construction aims to provide improved safety features. It will feature 4-foot-6-inch high guardrails, compared to the existing 2-foot-10-inch rails, ensuring greater protection for vehicles traversing the bridge.
For years, the Lindsay C. Warren Bridge has posed challenges for both vehicular and river traffic. Though it remains structurally sound, NCDOT acknowledges that it is reaching the end of its lifecycle and requires frequent maintenance. The current design often leads to substantial detours of up to 99 miles due to mechanical failures and its inability to handle the increasing volume of river traffic; over 4,000 boats traverse its swing span annually, leading to daily disruptions.
Originally estimated at $268 million, the project’s budget has risen to an estimated $450 million. This increase is largely attributed to rising construction costs following the COVID-19 pandemic. The project has also received a significant boost from federal funding, with a $110 million grant from the bipartisan infrastructure bill allocated to help with costs, although future funding remains uncertain due to administrative reviews.
While the new bridge’s construction is moving forward, plans are being laid out for the eventual widening of U.S. Highway 64 to four lanes, although current financing for this expansion is not available. Fulfilling an essential role in the region’s infrastructure, the bridge serves as a vital hurricane evacuation route for communities needing access to the Outer Banks.
As construction activities kick off with the driving of the first concrete pile into the riverbed, the timeline for the project is carefully structured. Following the completion of the new bridge, scheduled for Fall 2029, the demolition of the old Lindsay C. Warren Bridge is anticipated to commence in Spring 2030. As the Alligator River Bridge takes form, it stands to become not only a critical transport link but also a symbol of renewed commitment to enhancing infrastructure in North Carolina.
Residents and travelers eagerly await the benefits this modern engineering marvel promises to deliver, as both traffic flow and safety protocols undergo a much-needed transformation.
Mid-Currituck Bridge Project Under Environmental Scrutiny
Lindsay C. Warren Bridge Replacement Project Underway in North Carolina
Construction Starts for New Alligator River Bridge
Construction Begins on New Alligator River Bridge
Construction of New Bridge Over Alligator River Progresses
Construction Begins on $450 Million Outer Banks Bridge
Leadership Changes at Project Kitty Hawk Amid Challenges
Major Overhaul Coming for Lindsay C. Warren Bridge
Outer Banks Community Embraces Resilience and Sustainability
Major Infrastructure Transformation: New Bridge for Alligator River
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