PORTSMOUTH, N.H. — A nearly 90-year-old bridge connecting New Hampshire and Maine is closing to all pedestrian and bicycle traffic on Monday, as contractors get ready to demolish it for a replacement.

Electronic message boards are in place at the bridge advertising the pending closure. The bridge was closed to motor vehicle traffic in July.

The Memorial Bridge project will replace the bridge that carries U.S. Route 1 over the Piscataqua River between Portsmouth and Kittery. Archer Western Contractors of Canton, Mass., will be the general contractor for the $81.4 million project.

The Portsmouth Herald reports that a new, daily shuttle bus service between Portsmouth and Kittery will start on Jan. 9. A website will be available later this week including a shuttle route map and full schedule.

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