We see the low clearance signs all the time, but some truckers decide to ignore them. These truckers should have listened.

It happens about once a month. A trucker in a hurry or a full-of-himself tourist in an outsized motor coach ignores the flashing lights and "Low Clearance" signs at the Gregson Street train trestle in Durham, N.C, and — wham! — another big rig becomes a convertible.

The Norfolk Southern Railroad's overpass, built 100 years ago, leaves just 11 feet, 8 inches for drivers to squeeze underneath, and has been performing regular haircuts on too-tall vehicles ever since. Jürgen Henn documents the damage on his website 11foot8.com, and the cumulative effect in this compilation video is downright mesmerizing.

Watch the Bridge Destroy Some Trucks Below: