Q: Two pickup trucks approach a short, one-lane low-water crossing from opposite directions. They reach the ends of the bridge at the same time, and the drivers make eye contact. What should happen now?John Stanford, CastrovilleA: Texas is blessed with an abundance of rivers, creeks, streams, canals, bayous, bogs, and brooks. We are also very rich in roads, with more paved thoroughfares than any other state in the union. When all these waterways and roadways intersect, they sometimes do so at narrow, low-water byways. So it’s a good question you’ve posed here, Mr. Stanford. The Texanist also appreciates the dramatic way in which you have laid out this tableau; he’s a little surprised that your return address is Castroville, not Tinseltown. In fact, your query is rendered in…