COMMENT OF THE DAY: DESTROY MY SEMI TRAILER ON N. MAIN ST. ONCE, SHAME ON ME 
“I’d bet that the signage, 12′-9″, is probably literally correct, in that the distance from the road deck to the bottom of the bridge measures 12′-9″. However, that doesn’t mean that a truck that’s 12′-8″ high can pass through. More to the point: that doesn’t mean a truck that’s 12′-8″ high can exit the other end. Problem is that since there’s an up-slope on the exit of the underpass, the longer the truck, the higher the effective height as it climbs up the slope. [And] with respect to the alternate route, the northbound signage is terrible. It seems to indicate that the driver should turn left into a chain link fence. Where they actually should go looks like its one-way the other way. If this happens once, I understand blaming the driver. If it happens frequently, it’s probably the result of poor design and poor signage.” [Angostura, commenting on Latest Semi To Get Stuck in that N. Main Tunnel by Hardy Yards Gets Top Shredded Off, Too] Photo: TransitCtrActivity
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Agree; but the signage has to indicate the actual height since the sign cannot tell the distance between front and rear axles of under-passing automobiles. A 10′ long box-van with a 12′-8″ height might be able to clear it no problem. Ultimately it’s up to the driver… which kind’a stinks if the driver is unaware of the grading.
It is most certainly the driver’s fault… if you think signage is the problem then check out this video https://www.youtube.com/watch?v=xzkWTcDZFH0 of trucks non-stop pounding into the same bridge over and over. A bridge with blinking lights, giant signs and tons of warning.
@Shane,
Those trucks are hitting the bridge on the way in. The problem here is getting stuck on the way out.
Those trucks aren’t even close to 12’9″