<Table> <Tr> <Th_colspan="2"> Gateway Arch </Th> </Tr> <Tr> <Td_colspan="2"> The Gateway Arch in January 2008 </Td> </Tr> <Tr> <Th> Alternative names </Th> <Td> <Ul> <Li> Gateway to the West </Li> <Li> Gateway to the Midwest </Li> <Li> St. Louis Arch </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> General information </Th> </Tr> <Tr> <Th> Architectural style </Th> <Td> Structural expressionism </Td> </Tr> <Tr> <Th> Location </Th> <Td> 100 Washington Avenue, St. Louis, 63102, USA </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 38 ° 37 ′ 28" N 90 ° 11 ′ 05" W ﻿ / ﻿ 38.62452 ° N 90.18471 ° W ﻿ / 38.62452; - 90.18471 Coordinates: 38 ° 37 ′ 28" N 90 ° 11 ′ 05" W ﻿ / ﻿ 38.62452 ° N 90.18471 ° W ﻿ / 38.62452; - 90.18471 </Td> </Tr> <Tr> <Th> Construction started </Th> <Td> February 12, 1963; 55 years ago (1963 - 02 - 12) </Td> </Tr> <Tr> <Th> Completed </Th> <Td> October 28, 1965; 52 years ago (1965 - 10 - 28). </Td> </Tr> <Tr> <Th> Inaugurated </Th> <Td> May 25, 1968; 50 years ago (1968 - 05 - 25) </Td> </Tr> <Tr> <Th> Cost </Th> <Td> $13 million (c. $77.5 million in 2016) </Td> </Tr> <Tr> <Th> Height </Th> <Td> 630 ft (192 m) </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Th> Other dimensions </Th> <Td> 630 ft (192 m) width </Td> </Tr> <Tr> <Th_colspan="2"> Design and construction </Th> </Tr> <Tr> <Th> Architect </Th> <Td> Eero Saarinen </Td> </Tr> <Tr> <Th> Architecture firm </Th> <Td> Eero Saarinen and Associates </Td> </Tr> <Tr> <Th> Structural engineer </Th> <Td> Severud Associates </Td> </Tr> <Tr> <Th> Main contractor </Th> <Td> Mcddsa </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> Gateway Arch </Td> </Tr> <Tr> <Td_colspan="2"> U.S. National Register of Historic Places </Td> </Tr> <Tr> <Td_colspan="2"> U.S. National Historic Landmark </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> Show map of St. Louis Show map of Missouri Show map of the US Show all </Td> </Tr> <Tr> <Th> NRHP reference #</Th> <Td> 87001423 </Td> </Tr> <Tr> <Th_colspan="2"> Significant dates </Th> </Tr> <Tr> <Th> Added to NRHP </Th> <Td> May 28, 1987 </Td> </Tr> <Tr> <Th> Designated NHL </Th> <Td> May 28, 1987 </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> </Table> <Tr> <Th_colspan="2"> Gateway Arch </Th> </Tr>

When was the arch built in st. louis
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