A view from the middle of a stream looking up and directly at a finished culvert.
Ausable Drive Culvert The right-sized culvert at Ausable Drive will reduce flood risk and the town’s road maintenance costs and restore aquatic habitat connectivity. © Amanda Ely/TNC


The Nature Conservancy and the Ausable River Association Continue to Expand Culvert Initiative in the Ausable River Watershed

The Nature Conservancy’s Adirondack Chapter and the Ausable River Association (AsRA) in partnership with the Town of Jay and U.S. Fish and Wildlife Service (the Service), have right-sized two flood vulnerable and ecologically significant culverts in Jay, NY. Work is complete on the Jay Mountain Road and Ausable Drive culvert projects. The new culverts will reduce flood risk and the town’s road maintenance costs and restore aquatic habitat connectivity. 

The old culverts on Jay Mountain Road and Ausable Drive prevented a key habitat connection from the Ausable River to stream headwaters, which challenges essential coldwater fish species, such as brook trout. Ausable Drive is a main thoroughfare to Ausable Acres, a community of approximately 175 homes. It is the only road connecting this community to Jay and Wilmington, NY. While there is an alternate route through the town of Ausable Forks, first responders from Jay and Wilmington rely on Ausable Drive for timely emergency response.

As a result, The Nature Conservancy and AsRa, with oversight from the Service, worked with local contractor Zielinski’s Inc. and the Town of Jay to install two bottomless aluminum arch culverts. Both are designed to accommodate a 100-year flood flow at 80% of their capacity. The streams running through each culvert were restored to their natural stream conditions, improving water quality by reducing erosion impacts and preventing sediment from accumulating upstream. 

Over 50% of the road-stream crossings in Essex County, NY are estimated to be vulnerable to flooding. The Nature Conservancy, AsRA, and project partners including Essex County, the Service, local transportation departments, and other Adirondack stakeholders began working to identify priority culvert replacements in the months prior to Tropical Storm Irene in 2011. Local municipal leaders, the Conservancy and AsRA engaged in a prioritization process to identify vulnerable culverts that also restrict aquatic connectivity in ecologically significant areas. A pilot began in 2014 with two retrofit projects in Black Brook. Since then, a total of ten culverts have been replaced or retrofitted, reconnecting over 100 miles of stream.

“The two new culverts in Jay build on work that began nine years ago when we collaborated with partners to identify and prioritize vulnerable culverts across the Adirondacks. Right-sizing culverts is crucial to reduce flood risks in the face of climate change and to improve fish habitat, allowing them to swim safely up and downstream,” Michelle Brown, Senior Conservation Scientist at The Nature Conservancy.

“Working with our partners we’ve developed an effective model for replacing undersized culverts.” says Kelley Tucker, Executive Director of the Ausable River Association. “By creating an intersection between a stream and a road that preserves the integrity of the stream, we reduce maintenance, keep property safe, and keep roads open in storms.”

The Nature Conservancy is a global conservation organization dedicated to conserving the lands and waters on which all life depends. Guided by science, we create innovative, on-the-ground solutions to our world’s toughest challenges so that nature and people can thrive together. We are tackling climate change, conserving lands, waters and oceans at an unprecedented scale, providing food and water sustainably and helping make cities more sustainable. Working in 76 countries and territories—37 by direct conservation impact and 39 through partners—we use a collaborative approach that engages local communities, governments, the private sector, and other partners. To learn more, visit www.nature.org or follow @nature_press on Twitter.