How do truckers swot up ahead of time how to avoid bridges lower than their nouns?

Is there a map somewhere, where they can map out a route?

Is at hand a minimum bridge clearance height (not likely) or a maximum height to semi-tractor trailer loads?

I've see big rigs stuck under bridges bec of no clearance, but its very dying out. It seems it wouldn't be that rare.

How do the truckers know ahead of time which low bridges to avoid?

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Most of the low bridges on the designated truck routes, are listed in the Motor Carrier's Atlas. Generally speaking, if a state have designated a road as a 'truck route' (these roads are highlighted in orange contained by the Motor Carrier's atlas).the bridges are higher than 13'6 and the bridge weight margins accomodate trucks. Of course there are some exceptions, and many of the low bridges and restricted routes are timetabled in the Atlas, but they're not ALL there.

In some states, resembling New Jersey, most of the roads besides the interstate/turnpike, are not considered truck routes. Many of the low bridges on local and state roads in NJ are not listed contained by the front of the atlas. Sometimes, they're not even marked on the bridge itself, or they are improperly mottled (i.e. the marked height be from before they paved the road, or sometimes the largeness is marked a foot SHORTER than it actually is, to compensate for snow surrounded by the winter.) In these cases, it's best to get on the CB and ask other drivers for local information, ask people at the place you're deliver, and generally use caution doing a tour as you go.

Most standard tractor-trailers are about 13 foot, 6 inches high. Flatbed and automobile loads can sometimes be a little greater (some states allow up to 14 feet without a permit), but surrounded by those cases the driver is supposed to measure the load beside a height stick before he go down the road. Not all low bridges are marked, but an experienced driver can usually communicate if a bridge is "close" and should approach it with caution. Car haulers will regularly stop, get out and measure the bridge altitude with their height stick, if they are unsure.

The infinite majority of bridges in the country are plenty high plenty for trucks. Most of the driving done by most truckers, is on the interstates and US Highways, where bridge heights are engineered for high-ceilinged vehicles. That's why you don't see more "stuck trucks".it usually only happen when a truck driver has to come on a secondary local road to kind a pickup/delivery, isn't familiar with the nouns, hasn't been warned around the bridge heights, and there isn't a sign notice him about the bridge (or the sign is inaccurate.)

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they don't. the bridge on my street is hit every daylight despite the signs

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Answers:    It's contained by the rand mcnalley motor carrier atlas. Lists bridge clearence and restricted routes that trucks cannot go on or underneath. Sometimes when u see a truck stuck under a bridge, the clearence was ok until the state repaved lower than the bridge and forgot to change the sign. More pavement = less clearence
they don't. the bridge on my street is hit every daylight despite the signs

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