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 |
| --- | --- | --- | --- | --- |
| Adamson Bridge | 1916 | 1992-06-29 | Valentine | Cherry |
| Ashland Bridge (Ashland, Nebraska) | 1936 | 1992-06-29 | Ashland | Saunders |
| Beal Slough Bridge | 1937 | 1992-06-29 | Lincoln | Lancaster |
| Bell Bridge | 1903 | 1992-06-29 | Valentine | Cherry |
| Berry State Aid Bridge | 1920, 1921 | 1992-06-29 | Valentine | Cherry |
| Big Blue River Bridge (Surprise, Nebraska) | 1897, 1898 | 1992-06-29 | Surprise | Butler |
| Big Blue River Bridge (Grafton, Nebraska) | 1918 | 1992-06-29 | Grafton | Fillmore |
| Big Indian Creek Bridge | 1903 | 1992-06-29 | Wymore | Gage |
| Big Papillion Creek Bridge | ca.1940 | 1992-06-29 | La Vista | Sarpy |
| Bloody Run Bridge | 1898 | 1992-06-29 | Virginia | Gage |
| Borman Bridge | 1916 | 1992-06-29 | Valentine | Cherry |
| Brewer Bridge | 1899, 1921 | 1992-06-29 | Valentine | Cherry |
| Bridge | 1912 | 1992-06-29 | Nebraska City | Otoe |
| Bridge | 1876 | 1992-06-29 | Lorton | Otoe |
| Bridge | 1911 | 1992-06-29 | Royal | Antelope |
| Bridge | ca.1900 | 1992-06-29 | Louisville | Cass |
| Bridge | 1898 | 1992-06-29 | Wymore | Gage |
| Bridge | 1908 | 1992-06-29 | Stratton | Hitchcock |
| Brownson Viaduct | 1942 | 1992-06-29 | Brownson | Cheyenne |
| Brownville Bridge | 1939 | 1993-06-17 | Brownville | Nemaha |
| Bryan Bridge | 1932 | 1988-06-23 | Valentine | Cherry |
| Burwell Bridge | 1940, 1941 | 1992-06-29 | Burwell | Garfield |
| Cambridge State Aid Bridge | 1914 | 1992-06-29 | Cambridge | Furnas |
| Camp Clarke Bridge Site | 1875, 1880 | 1974-11-08 | Bridgeport | Morrill |
| Carns State Aid Bridge | 1912, 1913 | 1992-06-29 | Bassett | Rock |
| Cincinnati Bridge | 1879, 1880 | 1992-06-29 | Du Bois | Pawnee |
| Clear Creek Bridge | 1891, 1928 | 1992-06-29 | Bellwood | Butler |
| Colclesser Bridge | 1888, 1933, 1934 | 1992-06-29 | Rushville | Sheridan |
| Columbus Loup River Bridge | 1932, 1933 | 1992-06-29 | Columbus | Platte |
| Deering Bridge | 1916 | 1992-06-29 | Sutton | Clay Fillmore |
| DeWitt Flour Mills and King Iron Bridge | ca.1888, 1911, 1920 | 1978-12-27 | DeWitt | Gage |
| Elkhorn River Bridge | 1883, 1929 | 1992-06-29 | Clearwater | Antelope |
| Franklin Bridge | 1932, 1935 | 1992-06-29 | Franklin | Franklin |
| Gross State Aid Bridge | 1918 | 1992-06-29 | Verdigre | Knox |
| Henry State Aid Bridges | 1919 | 1992-06-29 | Henry | Scotts Bluff |
| Hoyt Street Bridge | ca.1870, 1890 | 1992-06-29 | Beatrice | Gage |
| Interstate Canal Bridge | ca.1915 | 1992-06-29 | Scottsbluff | Scotts Bluff |
| Keim Stone Arch Bridge | 1916 | 1992-06-29 | Tecumseh | Johnson |
| Kilgore Bridge | 1915 | 1992-06-29 | Kearney | Buffalo |
| Lewellen State Aid Bridge | 1926, 1927 | 1992-06-29 | Lewellen | Garden |
| Lewis Bridge | 1922 | 1992-06-29 | Springview | Keya Paha |
| Lisco State Aid Bridge | 1927, 1928 | 1992-06-29 | Lisco | Garden |
| Little Nemaha River Bridge (Dunbar, Nebraska) | 1874 | 1992-06-29 | Dunbar | Otoe |
| Loosveldt Bridge | 1888, 1933, 1934 | 1992-06-29 | Rushville | Sheridan |
| Main Street Bridge | 1915, 1920 | 1992-06-29 | Elkhorn | Douglas |
| Meridian Bridge | 1924 | 1993-06-17 | South Yankton | Cedar |
| Mission Creek Bridge | 1898 | 1992-06-29 | Barneston | Gage |
| Neligh Mill Bridge | 1910 | 1992-06-29 | Neligh | Antelope |
| Nine Bridges Bridge | 1913 | 1992-06-29 | Doniphan | Hall |
| Niobrara River Bridge | 1929 | 1992-11-12 | Niobrara | Knox |
| North Loup Bridge | 1912 | 1992-06-29 | North Loup | Valley |
| North Omaha Creek Bridge | ca.1905 | 1992-06-29 | Winnebago | Thurston |
| Olive Branch Bridge | 1897 | 1992-06-29 | Sprague | Lancaster |
| Plattsmouth Bridge | 1929 | 1993-04-15 | Plattsmouth | Cass |
| Ponca Creek Bridge | 1904 | 1992-06-29 | Lynch | Boyd |
| Prairie Dog Creek Bridge | 1913 | 1992-06-29 | Orleans | Harlan |
| Rattlesnake Creek Bridge | 1903 | 1992-06-29 | Bancroft | Cuming |
| Red Cloud Bridge | 1935 | 1992-06-29 | Red Cloud | Webster |
| Republican River Bridge | 1911 | 1992-06-29 | Riverton | Franklin |
| Roscoe State Aid Bridge | 1934, 1935 | 1992-06-29 | Roscoe | Keith |
| Rulo Bridge | 1938, 1939 | 1993-01-04 | Rulo | Richardson |
| Saddle Creek Underpass | 1934 | 1992-06-29 | Omaha | Douglas |
| Sappa Creek Bridge | 1916 | 1992-06-29 | Stamford | Harlan |
| Sargent Bridge | 1908 | 1992-06-29 | Sargent | Custer |
| South Omaha Bridge | 1933–1935 | 1992-06-29 | Omaha | Douglas |
| Stewart Bridge | 1915 | 1992-06-29 | Oak | Nuckolls |
| Sutherland State Aid Bridge | 1914, 1915 | 1992-06-29 | Sutherland | Lincoln |
| Sweetwater Mill Bridge | 1909 | 1992-06-29 | Sweetwater | Buffalo |
| Tekamah City Bridge | 1934 | 1992-06-29 | Tekamah | Burt |
| Turkey Creek Bridge | 1899 | 1992-06-29 | Ragan | Harlan |
| Twin Bridge (Brownlee, Nebraska) | 1900 | 1992-06-29 | Brownlee | Cherry |
| Verdigris Creek Bridge | ca.1918 | 1992-06-29 | Royal | Antelope |
| Willow Creek Bridge | 1913 | 1992-06-29 | Foster | Pierce |
| Wolf Creek Bridge | 1889 | 1992-06-29 | Dunbar | Otoe |
| Wyoming Bridge | 1878 | 1992-06-29 | Dunbar | Otoe |
| York Subway | 1938, 1939 | 1992-06-29 | York | York |
| Little Nemaha River Bridge (Syracuse, Nebraska) | 1901 | 1992-06-29 removed 2012-12-19 | Syracuse | Otoe |
Question:
When was la vista built?
Answer:
ca.1940