The Minnesota Vikings quest for a new stadium got a renewed sense of urgency last December when the roof of the team’s current home collapsed after a snowstorm.

The National Football League franchise has since ramped up its efforts to construct a new facility in suburban Arden Hills, Minn., by throwing its weight behind a proposal to raise the sales tax by a half-cent in local Ramsey County to generate $350 million toward the project’s estimated $1 billion price tag.