No, sorry.
That’s 114 cars that were there for 15 plus years because nobody swept it.
We get 114 cars in a year, easily, in Dallas alone.
You don’t want to know how many they pull out in Waco or Austin.
“For sale, vintage Mercedes Benz, low miles, owner inquires available, or you can keep him in the glove box for future reference....”
From the article in your link, this is a humorous bit about the difficulty of spotting cars in drainage canals: “That would change if the agency got sonar equipment, which it could use to locate cars instead of sending down divers to feel around. They’ve discussed buying the equipment since finding Fish.”
The unfortunate Mr. Barry Fish suffered an ironic end.