The vibration is the first thing that gets you. It doesn’t travel through the air like a shout; it crawls up through the soles of your boots, vibrating the small bones in your feet until your teeth feel loose in your gums. I’m standing 144 feet above the asphalt, leaning against a girder that has seen 114 years of Arizona sun, and Charlie T. is looking at me like I’ve lost my mind because I’ve just reread the same sentence in the safety manual five times. It’s a simple sentence about tethering points, but my brain has turned into a recursive loop. Maybe it’s the height. Or maybe it’s the fact that 234 cars have passed directly beneath us in the last ten minutes, and not a single driver has looked up. Not one.
Charlie T. has been a bridge and structural inspector for 24 years. He has skin like a well-oiled baseball glove and a habit of spitting whenever he sees rust that hasn’t been properly treated with sealant. He taps a rivet with his specialized hammer. The sound is a crisp, metallic ‘ping’ that cuts through the roar of the morning traffic. To the