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05-09-2017, 09:05 PM
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#1
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Senior Member
Newmar Owners Club Winnebago Owners Club Spartan Chassis RV Trip Wizard
Join Date: Mar 2006
Location: Tyler, Texas
Posts: 573
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Bridge Weight limit
OK, so there is a bridge with a sign "Weight Limit - Tandem Axle 12500lbs". No other information. How does this translate if you only have a single axle?
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05-09-2017, 09:19 PM
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#2
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,500
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Might be a question to ask the state DOT, or the county where the bridge is located.
I don't think it could be much more confusing . 
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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05-11-2017, 05:53 PM
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#3
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Senior Member
Join Date: Mar 2013
Location: winter in Fl. 34957 summer Mi.48755
Posts: 116
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To be on the safe side I use 2/3 of the tandem weight rating for a single axle. In your case .66X12500= 8,250 or 16,500 for total truck/rv. Towed spreads its weight over two more axels so no problem.
If the single axel number is listed you may get a few more lbs.
If some one knows more info please let me know.
I am not too old to learn.
TJ
__________________
2005 Winnebago Adventurer 35A
Toad 2016 Equinox
W-22 GM 8.1 gas
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05-11-2017, 06:09 PM
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#4
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Senior Member
Join Date: Dec 2013
Location: Lake Havasu City, AZ & Plover, WI
Posts: 6,403
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The one thing that I am absolutely certain of is that my son should not take his new Newell weighing in at 57,000#, over that bridge!!! 
__________________
2006 Monaco Executive 44 Denali
2013 43 QGP Allegro Bus ( SOLD )
2013 Avalanche
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05-11-2017, 06:16 PM
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#5
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Registered User
Join Date: Aug 2014
Location: western NC mountains!
Posts: 4,106
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is this a real world example, or something you're just tossing out?
a pic of the sign would be best, along with the 'bridge'/area, if there's one nearby
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05-11-2017, 06:59 PM
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#6
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Senior Member
Newmar Owners Club Winnebago Owners Club Spartan Chassis RV Trip Wizard
Join Date: Mar 2006
Location: Tyler, Texas
Posts: 573
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Bridge is actually on the road to the RV sites at Tyler State Park.
Ok. I'm not good at posting pictures... Figured it out...
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05-11-2017, 08:08 PM
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#7
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Senior Member
Join Date: Dec 2013
Location: Lake Havasu City, AZ & Plover, WI
Posts: 6,403
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The only tandem axle that light would have to be on a gasser like a 98 Pace Arrow Vision I had. Any DP tandem will be at least twice that amount.
__________________
2006 Monaco Executive 44 Denali
2013 43 QGP Allegro Bus ( SOLD )
2013 Avalanche
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05-11-2017, 11:19 PM
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#8
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Senior Member
Join Date: Jan 2017
Location: Southeast Florida
Posts: 335
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According to the U.S. Dept of Transportation definition:
Tandem-Axle Weight — The total weight on two or more consecutive axles whose centers are spaced more than 40 inches apart but not more than 96 inches apart.
So, I would guess that if my MH has only two axles (Bounder 33C) and they're more than 96" apart, the tandem weight limit would not apply. Of course I could be wrong and have a new bridge named after me. 
__________________
2017 Fleetwood Bounder 33C
2017 Ford Focus Toad, 2010 GL1800 Goldwing, 2018 Suzuki Burgman 650, Ham radio callsign K4ZZR
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05-12-2017, 04:02 AM
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#9
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Senior Member
Join Date: Jul 2015
Location: Watertown NY USA
Posts: 6,531
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Quote:
Originally Posted by Phochief
According to the U.S. Dept of Transportation definition:
Tandem-Axle Weight — The total weight on two or more consecutive axles whose centers are spaced more than 40 inches apart but not more than 96 inches apart.
So, I would guess that if my MH has only two axles (Bounder 33C) and they're more than 96" apart, the tandem weight limit would not apply. Of course I could be wrong and have a new bridge named after me. |
That really cleared it up for me. LOL
I'd pull over to the side of the road for a smoke break and watch what went across the bridge. If units larger than mine made it across I'd proceed across it.
Lynn
__________________
2002 Fleetwood Storm 30H on Workhorse P32 chassis 8.1 gas.
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05-12-2017, 04:29 AM
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#10
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Senior Member
Tiffin Owners Club
Join Date: Mar 2012
Posts: 1,702
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I must admit that I have yet to see anything that clears this one up for me. However, with my axle ratings (not current weights) of 16,000 lbs front, 22,000 lbs drive and 13,300 lbs tag, the only thing I have to understand is stay away.
__________________
Dewey & Sharon
Southern Maryland suburbs of DC
2022 Tiffin Allegro Bus 40IP
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05-12-2017, 04:43 AM
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#11
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Senior Member
Join Date: Mar 2012
Posts: 224
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If you're going fast enough the bridge won't have enough time to collapse.
__________________
2023 Entegra Odyssey 26M
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05-12-2017, 06:04 AM
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#12
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Member
Join Date: Dec 2014
Location: Sioux Falls, SD formerly Massachusetts
Posts: 90
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And don't get caught fishin' there!!
__________________
Grace & Carl. Full time 5/31/16. Past-1980-ish 24 ft class A. 2003 Monaco Dynasty 40 Chancellor, 2010 Mini Cooper S, both CRASHED on 11/19 Now - 2006 Monaco Dynasty Platinum IV, 2011 Mini Cooper S CRASHED November 11/21 deer strike. 2016 GMC Acadia.
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05-12-2017, 06:12 AM
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#13
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Registered User
Join Date: Aug 2014
Location: western NC mountains!
Posts: 4,106
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Tandem axle (not Tag axle) I believe is referring to two rear drive axles...
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05-12-2017, 08:35 AM
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#14
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Member
Join Date: Aug 2015
Posts: 31
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Bridge Weight limit
Bridges don't really care about tag axles or not, they care about how far the weight is being distributed. Far enough apart, it doesn't matter. Too close, Ahhhhhhhh. So, for most class A-s, you are probably ok if your front axle weight is less than the 12500 and the combined weights of your tag and drive axle weights are less than 12500. At least, that is how I would read it. Being a weanie myself, I would find a different way if I had anything but an empty Rv.
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