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 5/27/2010 6:23 PM
 


One year ago after seeing a horrible bridge collision I decided to
investigate low clearance avoidance tools. After a great deal of
searching, by far the most cost effective solution was to
download a low clearance POI database for my GPS.

There were a few free ones out there to download but they were
very limited in size (around 300 - 500) which isn't much use so I
figured I would risk 20 bucks and get a professionally made one
which had over 3000 low clearance alerts.

I've been so impressed with it that I made several positive
comments on quite a few forums in the hope that other drivers
will follow suit and avoid these potentially fatal accidents.

If you're interested (and you really should be) you can get it from
http://www.lowclearances.com . I use a Garmin but you can also
install it on MS Streets & Trips, Delorme Street Atlas,
Google Earth, TomTom, and Navman.


Safe driving.

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 5/27/2010 9:09 PM
 

You must travel a lot on the back roads to need this program.

We roamed the roads for 3 years , covering 48 states and only ran into a low bridge issue once, in Davenport,Iowa and it was well marked.

Interstate bridges are 13.6 unless other wise marked. most Rv's are 12.0 ft. or below, so there are no issues on the main roads.

If you are not on the Interstate and you come upon a bridge that is not marked it's always good to stop and proceed with caution. If you have a program as yours in the GPS I would hope it would identify the clearance and you could move on with confidence.

Thanks for sharing this information.


Big Bad John & Runaround Sue & Paris *Hammock,Florida* *97 Dutch Star Diesel* *76 VW Bay Window Bus* *91 Classic Harley Davidson* *1949 Ford Lead Sled* *2012 HD LSV
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 5/28/2010 3:01 AM
 

John, don't fall for this "Roper-A-Dope" guy. He's nothing but a peddler, having posted the same add on this board and others under the name of "Trooper".


Bob J. from TX 2014 Newmar Essex 4544 2007 Lexus LX 470 Toad
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 5/29/2010 1:20 PM
 

One would have to be a complete idiot to run into a bridge. The Federal Height limit for on the road vehicles is 13.6. All bridges are higher than that except ones that are clearly marked. I've never come to a low bridge that wasn't clearly denoted very far in advance with detour information on how to avoid it. No Rvs are manufactured that exceed this Federal Height limit.


Libby and John and RV the CAT Ford F 150 towing a 2017 Forest River Vibe 277 RLS Click here to see our current location
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 5/29/2010 4:16 PM
 
 Modified By RVA  on 5/29/2010 3:24:45 PM

John - If you're ever in the area of Caldwell TX, there may still be a 13' bridge on FM 60. One of our relatives had a ranch in that area and always enjoyed pointing out the many dings and scrapes on the roof. Maybe there were plenty of advance warning signs, but I didn't notice any. Hopefully, that's been changed. I think a bigger problem is those gas stations with low overhangs. Good luck. - Dave

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 5/30/2010 11:30 AM
 

I'm not on either side of this fence and I agree with John and John, just commenting on my experience.

Low clearances do exist. We have one at Seven Valleys, PA at 12' 0". The problem is increased by the road going down to create the 12' clearance and then back up hill. I also ran into (not literelly) one in a small town in north east Pa. at 11' 9". There happened to be a well used turnaround spot just before the bridge that was big enough to accomodate a U turn while dragging a car.

jm2cw

Bob K from PA


Bob and Gwen K from PA '99 Endeavor 37WDS4 2009 Ford Tarus or boat Four cats
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 6/1/2010 12:47 PM
 
 Modified By John  on 6/1/2010 11:57:34 AM

I've seen plenty of low bridges. There are two in my hometown in Indiana, but both are clearly marked. While a bunch of folks have hit them and others I've seen over the years, I still maintain you have to be RV challenged to do so. I once saw a rig stuck under a bridge on US 41 in Chattanooga and then there was the time that some guy drove under a low overhead at the Flying J in I believe Eureka, CA or somewhere up there. If I remember, that one was discussed here on the BB. Still, it was his fault as are all of them. Situational awareness should be a prerequisite for driving an RV. (like the time I scraped my batwing antenna off on a tree limb on a class C I owned) my fault, didn't do my last walk around and left the antenna up. Entirely my fault.

Most if not all of the dings we see in bridges are from folks carrying backhoes or other too tall devices and not paying attention. There are zero RVs made that exceed the Federal Height Limit and if you are driving or pulling an RV that is close, then you ought to be vigilant and pay attention to low bridge warnings. If for some unknown reason, you miss the warning, common sense should tell you not to drive or pull a 12 foot tall rig under an 11 foot clearance opening.

I've gone through the tunnel on the east side of Zion NP twice in my pusher. Believe me, I adhere to the rule about driving right down the center line of the road because the sides are obviously too low for me.

However, I've never seen one too low on an Interstate and have never felt the need to buy software to let me know when or where they were.


Libby and John and RV the CAT Ford F 150 towing a 2017 Forest River Vibe 277 RLS Click here to see our current location
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 6/1/2010 1:37 PM
 
 Modified By RVA  on 6/1/2010 12:55:25 PM

Having never seen an overpass that didn't have some gouges, scrapes, or dings, I've always wondered how accurate those clearance figures are. I once was so skeptical of the clearance figures on a local gas station that I pulled in part way and climbed up the ladder to see how much room I had. The figures suggested I had more than a foot, but the reality was closer to 6 inches. That might be plenty of room for some, but it was nervous time for me. Good luck. - Dave

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 6/1/2010 5:40 PM
 

Moral of the story.

When in doubt, always climb the ladder, and check it out. Better safe than sorry.


Big Bad John & Runaround Sue & Paris *Hammock,Florida* *97 Dutch Star Diesel* *76 VW Bay Window Bus* *91 Classic Harley Davidson* *1949 Ford Lead Sled* *2012 HD LSV
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 6/2/2010 5:42 PM
 

You betcha! If you have to let the air out of the tires, its too close!


Libby and John and RV the CAT Ford F 150 towing a 2017 Forest River Vibe 277 RLS Click here to see our current location
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