Decades of dog and human pee have corroded the bases of some area light poles, and the city started a program to inspect them before more poles come crashing down.
Charles Sheehan with the Public Utilities commission says the city's pretty pissed about the problem, so the whiz kid launched an assessment program earlier this year. They're inspecting all poles visually for any wrinkle due to tinkle.
• Aging San Francisco light pole crashes onto car (via SFist)