paragraph_text: Alta is an unincorporated community in Fayette County, West Virginia, United States. Alta is located on West Virginia Route 16 and West Virginia Route 39 north of Gauley Bridge.

paragraph_text: The Sundial Bridge (also known as the Sundial Bridge at Turtle Bay) is a cantilever spar cable-stayed bridge for bicycles and pedestrians that spans the Sacramento River in Redding, California, United States and forms a large sundial. It was designed by Santiago Calatrava and completed in 2004 at a cost of US$23.5 million. The bridge has become iconic for Redding.

paragraph_text: Newcastle is a town in Lincoln County, Maine, United States. The population was 1,752 at the 2010 census. The village of Newcastle is located in the eastern part of the town, on the Damariscotta River. Together with the village of Damariscotta linked by the Main Street bridge, they form the Twin Villages (see Damariscotta-Newcastle CDP).

paragraph_text: Natural Pier Bridge is a steel Warren through truss bridge spanning the Clark Fork river located west of Alberton, Montana, United States, which incorporates a natural rock outcrop as anchorage for a pier. It was nominated to the National Register of Historic Places as part of a related group of historic Montana bridges known as Montana's Historic Steel Truss Bridges and achieved listing on January 4, 2010. Built in 1917 by the Lord Construction Company of Missoula, Montana, it is one of only a few remaining bridges of its type in the state, and of those it is the only one that incorporates a natural feature in its design.

paragraph_text: Giddings Road Bridge is a covered bridge spanning Mill Creek in Jefferson Township, Ashtabula County, Ohio, United States. The bridge, one of currently 16 drivable bridges in the county, is a single span Pratt truss design, built with funding from an ODOT Timber Grant. The bridge’s WGCB number is 35-04-62, and it is located approximately 2.7 mi (4.3 km) northeast of Jefferson.

paragraph_text: The North Grand Island Bridge is a pair of twin two-lane truss arch bridges spanning the Niagara River between Grand Island and Niagara Falls in New York, United States. Each bridge carries one direction of Interstate 190 (I-190). Both crossings are operated by the New York State Thruway Authority as part of the Niagara Thruway. The northbound span opened in 1935; the southbound span was finished in 1965.

paragraph_text: The Bullards Bridge (or simply Bullards Bridge) is a vertical-lift bridge that spans the Coquille River near where the river empties into the Pacific Ocean, just north of Bandon, Oregon, United States. One of only two vertical-lift bridges on the Oregon Coast Highway (U.S. Route 101), it was completed in 1954. The lift span is flanked by two camelback truss spans. It is located immediately east of Bullards Beach State Park.

paragraph_text: Chenango Bridge is a hamlet in the southern part of the Town of Chenango in Broome County, New York, United States. It lies where State Route 12A (Chenango Bridge Road) crosses the Chenango River. The population was 2,883 at the 2010 census, which lists the community as a census-designated place.

paragraph_text: The Sheely Bridge, originally known as the Carbondale Bridge, carries pedestrian traffic across the Roaring Fork River at Mill Street Park in Aspen, Colorado, United States. It is a short steel truss bridge originally located downstream in Carbondale and later moved to its present location.

paragraph_text: Kings Highway Bridge was located on the Nansemond River in the independent city of Suffolk, Virginia, United States. Built in 1928, it carried traffic on the Kings Highway, also known as State Route 125, for over 75 years.

paragraph_text: The United States Oath of Allegiance, officially referred to as the ``Oath of Allegiance, ''8 C.F.R. Part 337 (2008), is an allegiance oath that must be taken by all immigrants who wish to become United States citizens.

paragraph_text: Joe Creason Park is a municipal park in Louisville, Kentucky, United States. Located in the Poplar Level neighborhood, it is in roughly the central portion of the city. The park adjoins and connects to Beargrass Creek State Nature Preserve, and both were originally part of the same property prior to becoming parks.

paragraph_text: The Uhlerstown–Frenchtown Bridge is a free bridge over the Delaware River, owned and operated by the Delaware River Joint Toll Bridge Commission. The bridge carries Bridge Street, connecting New Jersey Route 12 in Frenchtown, Hunterdon County, New Jersey, with Pennsylvania Route 32 in Uhlerstown, located in Tinicum Township, in Bucks County, Pennsylvania, United States.

paragraph_text: The United States Congress passed an enabling act on March 3, 1875, specifying the requirements for the Territory of Colorado to become a state. On August 1, 1876 (28 days after the Centennial of the United States), U.S. President Ulysses S. Grant signed a proclamation admitting the state of Colorado to the Union as the 38th state and earning it the moniker ``Centennial State ''. The borders of the new state coincided with the borders established for the Colorado Territory.

paragraph_text: Mechanicsville Road Bridge is a covered bridge spanning the Grand River in Austinburg Township, Ashtabula County, Ohio, United States. The bridge, one of currently 16 drivable bridges in the county, is the longest single span covered bridge in the county, and is believed to be the oldest in the county as well. The bridge is a Howe truss design, with laminated arches added during its renovation in 2003-04. The bridge’s WGCB number is 35-04-18, and it is located approximately 4.3 mi (7.0 km) southeast of Geneva.

paragraph_text: The Emlenton Bridge is a steel-deck truss bridge that spans the Allegheny River just south of the town of Emlenton, Pennsylvania, United States at approximately mile marker 44.4 on I-80. With a height of above the river, the Emlenton Bridge was the highest bridge in the Interstate Highway System when completed in 1968 (The Lewiston-Queenston Bridge is higher but is technically an international bridge, not part of the Interstate Highway system). This record was held until 1971 with the opening of the Fred G. Redmon Bridge near Selah, Washington.

paragraph_text: Long Creek Bridge is a bridge that spans across Long Creek. It is from the Canada–United States border and from Estevan, Saskatchewan, Canada. The bridge was originally a wooden bridge that had reached the end of its useful life, and in 2009 work started on a new precast, pre-stressed concrete bridge as part of the federal government's National Action Plan.

paragraph_text: Bridge Tender's House is a public artwork by American artist Mikyoung Kim, located on the 14th Street Bridge in Washington, D.C., United States. "Bridge Tender's House" was commissioned through DC Commission on the Arts and Humanities.

paragraph_text: Creelsboro Natural Bridge (more commonly referred to as Rock House or the Rockhouse) is a natural bridge in southwestern Russell County, Kentucky, United States. It is located near the community of Creelsboro, approximately downstream from Wolf Creek Dam, which impounds Lake Cumberland. The Rockhouse is classified as a "meander" natural bridge because it was created by river erosion of a cliff on the outer side of a sharp meander in the river. Jim Creek flows through it before merging into the Cumberland River. With a span of , it is the seventh largest natural bridge in the United States.

paragraph_text: The Riverside Avenue Bridge is the only cast-iron bridge in Connecticut and one of a small number still in use in the United States. It carries Riverside Avenue over the New Haven Line railroad tracks in the Riverside section of Greenwich, Connecticut. The bridge was part of an earlier span built in 1871 over the Housatonic River by the New York and New Haven Railroad, and when that bridge was replaced, part of it was erected in Riverside in 1895. It was placed on the National Register of Historic Places in 1977.

Question: When did the state where Sheely Bridge is located join the United States?
Answer: August 1, 1876