Historic Bridges of the U.S.

Beebe River Bridge (Grafton County, New Hampshire)
Built 1934
Concrete arch bridge over Beebe River on NH 175 in Campton
Open to traffic

Mad River Bridge (Grafton County, New Hampshire)
Built 1927
Concrete arch bridge over Mad River on NH 175 in Campton
Open to traffic

Pemigewasset River Bridge (Grafton County, New Hampshire)
Built 1939
Steel through arch bridge over Pemigewasset River on NH 175 in Woodstock
Open to traffic