Stewart was selected to design this 4.5-mile final phase of the Walnut Creek Greenway for the City of Raleigh, which connects the existing trail terminus at Worthdale Park to the Neuse River Trail. The Walnut Creek Greenway connects downtown Raleigh with the Neuse River Trail and is a designated route on the East Coast Greenway. The project includes the design of one bridge over Crabtree Creek and more than 4,525 feet of boardwalk.
The Walnut Creek floodplain is wide as it approaches the Neuse River and contains a series of braided streams associated with Walnut Creek and many wetland areas. Design considerations for this corridor included minimizing jurisdictional impacts, constructability, and long term maintenance concerns with flooding. Stewart’s design successfully balances these issues for a final design that gained regulatory support and functions well in high water conditions. As part of the solution for crossing the floodplain, Stewart utilized a top-down boardwalk construction method that minimizes impacts to wetlands and considerably sped construction time.
Stewart provided planning and design services for the project. Other services included GIS and field planning to establish a preliminary alignment, surveying, public involvement, property acquisition support, NCDOT encroachment agreements, permitting, constructability review, drainage, structure design, and construction access design.
City of Raleigh
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