<Tr> <Th_colspan="2"> Braddock Expedition </Th> </Tr> <Tr> <Td_colspan="2"> Part of the French and Indian War </Td> </Tr> <Tr> <Td_colspan="2"> Route of the Braddock Expedition </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> Date </Th> <Td> May--July 1755 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Maryland, Pennsylvania and Ohio Country </Td> </Tr> <Tr> <Th> Result </Th> <Td> French and Indian victory </Td> </Tr> </Table> </Td> </Tr>

What happened to braddock's expedition as it approached pittsburgh