name               built          listed      location     county
0                boise river and canal bridge                1922  2007 - 02 - 07      caldwell     canyon
1                              bullion tunnel                1910  1984 - 09 - 20         avery   shoshone
2           capitol boulevard memorial bridge                1931  1990 - 11 - 05         boise        ada
3   cold springs pegram truss railroad bridge         1894 , 1917  1997 - 07 - 25       ketchum     blaine
4   conant creek pegram truss railroad bridge  1894 , 1911 , 1916  1997 - 07 - 25    grainville    fremont
5         gimlet pegram truss railroad bridge         1894 , 1914  1997 - 07 - 25       ketchum     blaine
6          grace pegram truss railroad bridge         1894 , 1913  1997 - 07 - 25         grace    caribou
7                         ninth street bridge                1911  2001 - 09 - 14         boise        ada
8             north fork payette river bridge                1933  1999 - 04 - 02  smiths ferry     valley
9                               owsley bridge                1921  1998 - 09 - 18      hagerman    gooding
10       ririe a pegram truss railroad bridge         1894 , 1914  1997 - 07 - 25         ririe  jefferson
11       ririe b pegram truss railroad bridge         1894 , 1914  1997 - 07 - 25         ririe  jefferson
12    st anthony pegram truss railroad bridge         1896 , 1914  1997 - 07 - 25    st anthony    fremont
13             washington water power bridges         1929 , 1930  1996 - 12 - 20    post falls   kootenai

Table as JSON:
{"name":{"0":"boise river and canal bridge","1":"bullion tunnel","2":"capitol boulevard memorial bridge","3":"cold springs pegram truss railroad bridge","4":"conant creek pegram truss railroad bridge","5":"gimlet pegram truss railroad bridge","6":"grace pegram truss railroad bridge","7":"ninth street bridge","8":"north fork payette river bridge","9":"owsley bridge","10":"ririe a pegram truss railroad bridge","11":"ririe b pegram truss railroad bridge","12":"st anthony pegram truss railroad bridge","13":"washington water power bridges"},"built":{"0":"1922","1":"1910","2":"1931","3":"1894 , 1917","4":"1894 , 1911 , 1916","5":"1894 , 1914","6":"1894 , 1913","7":"1911","8":"1933","9":"1921","10":"1894 , 1914","11":"1894 , 1914","12":"1896 , 1914","13":"1929 , 1930"},"listed":{"0":"2007 - 02 - 07","1":"1984 - 09 - 20","2":"1990 - 11 - 05","3":"1997 - 07 - 25","4":"1997 - 07 - 25","5":"1997 - 07 - 25","6":"1997 - 07 - 25","7":"2001 - 09 - 14","8":"1999 - 04 - 02","9":"1998 - 09 - 18","10":"1997 - 07 - 25","11":"1997 - 07 - 25","12":"1997 - 07 - 25","13":"1996 - 12 - 20"},"location":{"0":"caldwell","1":"avery","2":"boise","3":"ketchum","4":"grainville","5":"ketchum","6":"grace","7":"boise","8":"smiths ferry","9":"hagerman","10":"ririe","11":"ririe","12":"st anthony","13":"post falls"},"county":{"0":"canyon","1":"shoshone","2":"ada","3":"blaine","4":"fremont","5":"blaine","6":"caribou","7":"ada","8":"valley","9":"gooding","10":"jefferson","11":"jefferson","12":"fremont","13":"kootenai"}}