Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Built | Listed | Location | County |
| --- | --- | --- | --- | --- |
| AJX Bridge over South Fork and Powder River | 1931, 1932 | 1985-02-22 | Kaycee | Johnson |
| BMU Bridge over Wind River | c.1935; moved 1953–1954 | 1985-02-22 | Ethete | Fremont |
| CKW Bridge over Powder River | 1932, 1933 | 1985-02-22 | Arvada | Sheridan |
| CQA Four Mile Bridge | 1927, 1928 | 1985-02-22 | Thermopolis | Hot Springs |
| DDZ Bridge over New Fork River | 1917 | 1985-02-22 | Boulder | Sublette |
| DFU Elk Mountain Bridge | 1923, 1924 | 1985-02-22 | Elk Mountain | Carbon |
| DMJ Pick Bridge | 1909, 1910, 1934 | 1985-02-22 | Saratoga | Carbon |
| DML Butler Bridge | 1930 | 1985-02-22 | Encampment | Carbon |
| DOE Bridge over Laramie River | 1926, 1932 | 1985-02-22 | Bosler | Albany |
| DSD Bridge over Cheyenne River | c.1915, 1921, 1922 | 1985-02-22 | Riverview | Niobrara |
| DUX Bessemer Bend Bridge | c.1920 | 1985-02-22 | Bessemer Bend | Natrona |
| DXN Bridge over Missouri River | 1921 | 1985-02-22 | Hulett | Crook |
| EAU Arvada Bridge | 1914 | 1985-02-22 | Arvada | Sheridan |
| EBF Bridge over Powder River | 1915 | 1985-02-22 | Leiter | Sheridan |
| ECR Kooi Bridge | 1913 | 1985-02-22 | Monarch | Sheridan |
| ECS Bridge over Big Goose Creek | 1914 | 1985-02-22 | Sheridan | Sheridan |
| EDL Peloux Bridge | 1912, 1913 | 1985-02-22 | Buffalo | Johnson |
| EDZ Irigary Bridge | 1913, 1963 | 1985-02-22 | Sussex | Johnson |
| EFP Bridge over Owl Creek | 1919, 1920 | 1985-02-22 | Thermopolis | Hot Springs |
| EJE Bridge over Shell Creek | 1920 | 1985-02-22 | Shell | Big Horn |
| EJP County Line Bridge | 1917 | 1985-02-22 | Hyattville | Big Horn |
| EJZ Bridge over Shoshone River | 1925, 1926 | 1985-02-22 | Lovell | Big Horn |
| ELS Bridge over Big Wind River | c.1920 | 1985-02-22 | Dubois | Fremont |
| ELY Wind River Diversion Dam Bridge | 1924, 1925 | 1985-02-22 | Morton | Fremont |
| ENP Bridge over Green River | c.1905 | 1985-02-22 | Daniel | Sublette |
| ERT Bridge over Black's Fork | c.1920 | 1985-02-22 | Fort Bridger | Uinta |
| ETD Bridge over Green River | 1913 | 1985-02-22 | Fontenelle | Sweetwater |
| ETR Big Island Bridge | 1909, 1910 | 1985-02-22 | Green River | Sweetwater |
| EWZ Bridge over East Channel of Laramie River | 1913, 1914 | 1985-02-22 | Wheatland | Platte |
| Hayden Arch Bridge | 1924, 1925 | 1985-02-22 | Cody | Park |
| Rairden Bridge | 1916 | 1985-02-22 | Manderson | Big Horn |
Question:
What is the county of the bridge in Boulder?
Answer:
Sublette