Borough Road Bridge (Merrimack County, New Hampshire)
Built 1930Concrete arch bridge over Smith River on Borough Road in HillOpen to traffic
Central Street Bridge (Grafton County, New Hampshire)
Built 1928; rehabilitated 1976Through truss bridge over Pemigewasset River on Central Street in BristolClosed to all traffic
Smith River Bridge (Grafton County, New Hampshire)
Built 1940Concrete arch bridge over Smith River on NH 3A in BristolOpen to traffic