The phrase "at a ditch" is correct and usable in written English.
It can be used to describe a location or situation involving a ditch, often in a physical or metaphorical context.
Example: "The car skidded off the road and ended up at a ditch, causing a minor accident."
Alternatives: "in a ditch" or "by a ditch".
Later the runestone was moved and raised beside Sö 166 at a ditch southwest of Grinda farm.
A few months ago a new hip was built at a ditch right down the street from my house.
She finally stopped at a ditch, and when her owner caught up with her and peered inside, he was shocked to discover a naked, shivering, 3-year-old girl curled up in a ball.
Rather than sally out to meet the enemy in the usual way the mistake made at Uḥud he had a ditch dug around Medina, according to tradition, at the suggestion of a Persian convert, Salmān.
The largest is at Bigo, where a ditch system, more than 6.5 miles (10.5 km) long, some of it cut out of rock, encloses a large grazing area on a riverbank.
Otherwise you may find yourself at 3am in a ditch, knee-deep in a mess of puke, drunk dialing your ex-girlfriend who isn't answering.
Find any spots where the wood squeaks or you could trip or fall inside, and outside find any dangerous spots you might not be able to see at night like a ditch or a river nearby.
The van ended up on its roof in a ditch at Pikins Crossing near Carno at 12 35 GMT.
McDowell, who fell from the lead at last month's Players Championship with a closing 79, dropped more shots at the second and fourth before going from the rough and into a ditch at the 433-yard fifth for another double bogey.
As a young girl in England in 1952 I was nervously smoking my first cigarette with a friend, hiding in a ditch at the far end of the school hockey field at lunchtime — coughing and laughing quite loudly, I am sure.
A truck carrying Robbie and a friend, both drunk, had been found on its side in a ditch at 2 A.M., according to police.
