<Tr> <Th> Clearance below </Th> <Td> 220 ft (67.1 m) at high tide </Td> </Tr> <Tr> <Th_colspan="2"> History </Th> </Tr> <Tr> <Th> Architect </Th> <Td> Irving Morrow </Td> </Tr> <Tr> <Th> Engineering design by </Th> <Td> Joseph Strauss, and Charles Ellis </Td> </Tr>

What is the significance of the golden gate bridge