The Jeffersonville Culvert Program
By: Lea Kilvádyová, Lamoille County Planning Commission
This is a story of one community’s dedication to improving the health of its residents by reducing the occurrence of flooding in the historic core of their village. Read about the intent behind installing a new large culvert under VT Route 15 in Jeffersonville.
Due to its location at the confluence of the Brewster and Lamoille Rivers, the Village of Jeffersonville lies within the 100-year floodplain and is prone to severe flooding. During 2011, Jeffersonville was inundated with floodwaters three times and experienced extensive damage to roads, culverts, businesses, and homes. Mann’s Meadow, housing for families and seniors, was evacuated due to road closure, power outage, and building flooding.
Arial photo of Jeffersonville’s 2011 flooding with an approximate location of flood mitigation improvements (in red).
Following the 2011 floods, the community worked with regional planners from Lamoille County Planning Commission and Milone & McBroom Engineers to develop a comprehensive plan to reduce the flooding in Jeffersonville. One part of the plan, and the most recent improvement implemented in November 2018, was the construction of a large flood bypass culvert under Route 15. (A culvert is a structure that allows water to flow under a road, trail, or similar obstruction from one side to the other side.)
The culvert is located between the new Union Bank building and the Joinery/Jeffersonville Automotive. The culvert is designed to reduce flood damages in the Village of Jeffersonville by allowing floodwaters from the Brewster River to flow out of the Village before impacting structures and property. Based on the detailed flood modeling completed after the spring 2011 flooding, the culvert – along with the larger Greenway Bridge installed last year – will significantly reduce flood levels and greatly reduce the need for road closures or evacuations of Village residents in the future.
New flood bypass culvert under Route 15 in Jeffersonville
The culvert construction has been made possible in part by funding provided by FEMA’s Hazard Mitigation Grant Program and Vermont’s Community Development Block Grant – Disaster Recovery Program. For more information, contact Lamoille County Planning Commission at 888-4548.