List of bridges on the National Register of Historic Places in Idaho
Columns: Name | Built | Listed | Location | County
Boise River and Canal Bridge | 1922 | 2007-02-07 | Caldwell | Canyon | Bullion Tunnel | 1910 | 1984-09-20 | Avery | Shoshone | Capitol Boulevard Memorial Bridge | 1931 | 1990-11-05 | Boise | Ada | Cold Springs Pegram Truss Railroad Bridge | 1894, 1917 | 1997-07-25 | Ketchum | Blaine | Conant Creek Pegram Truss Railroad Bridge | 1894, 1911, 1916 | 1997-07-25 | Grainville | Fremont | Gimlet Pegram Truss Railroad Bridge | 1894, 1914 | 1997-07-25 | Ketchum | Blaine | Grace Pegram Truss Railroad Bridge | 1894, 1913 | 1997-07-25 | Grace | Caribou | Ninth Street Bridge | 1911 | 2001-09-14 | Boise | Ada | North Fork Payette River Bridge | 1933 | 1999-04-02 | Smiths Ferry | Valley | Owsley Bridge | 1921 | 1998-09-18 | Hagerman | Gooding | Ririe A Pegram Truss Railroad Bridge | 1894, 1914 | 1997-07-25 | Ririe | Jefferson | Ririe B Pegram Truss Railroad Bridge | 1894, 1914 | 1997-07-25 | Ririe | Jefferson | St. Anthony Pegram Truss Railroad Bridge | 1896, 1914 | 1997-07-25 | St. Anthony | Fremont | Washington Water Power Bridges | 1929, 1930 | 1996-12-20 | Post Falls | Kootenai