Pollard Road in Plaistow, N.H., and Congressional Avenue at the Pollard Road end are closed for the next three weeks in order to replace a failing culvert.
Officials advise motorists to find alternate routes when traveling in this area.
The closures are related to the replacement of the culvert that allows Seaver Brook to run under Pollard Road at the intersection.
Those with questions or concerns, may call 603-382-5200, ext. 202, or email [email protected].