Almost stuck under a 12.5’ bridge

Traveling down I-24 coming out of Chattanooga there was an off-ramp that had a sign stating over 12.6’ prohibited.  For some reason (probably lack of sleep) I turned off the BIG freeway onto this little road.  The cops that showed up to help us turn around were very grateful we did not try to ram our coach into the little tunnel and were happy to help!  Thank you to the Chattanooga Police force for saving us from ourselves!