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07-10-2019, 09:03 PM
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#1
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Senior Member
Join Date: Feb 2017
Posts: 233
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I-90 between Missoula and Coeur d'Alene
How is this section of road to take my 45' motorhome over? Is there a lot of steep long grades? Any info would be appreciated.
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07-10-2019, 09:11 PM
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#2
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Community Moderator
Newmar Owners Club
Join Date: Feb 2011
Location: Point Pleasant Beach, NJ
Posts: 31,512
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There are a couple of "nice" grades to go over, but you shouldn't have any problems with them.
__________________
Tony & Ruth........... FMCA#F416727
2016 London Aire 4519, Freightliner chassis, Cummins ISX, 2018 Jeep Wrangler Unlimited, Blue Ox Avail with AF1. TST 507 TPMS
No amount of money can buy you an extra second of time.
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07-10-2019, 09:14 PM
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#3
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Senior Member
Tiffin Owners Club Freightliner Owners Club
Join Date: Oct 2008
Location: Merritt, BC
Posts: 3,753
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I used to live in Coeur d'Alene and made numerous trips on I-90. There are some passes to get over but nothing your coach, even if it's towing, would have any problems with.
The bonus is once you're in the mountains it's a beautiful drive. Enjoy 
__________________
Bob, Sherron & Kinsey (RIP 2013-2022)
2017 Tiffin Phaeton 40QBH
2014 Jeep Cherokee Limited
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07-10-2019, 10:42 PM
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#4
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Senior Member
Join Date: Jan 2018
Posts: 184
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You will be fine just have to cross 4th of July pass just a 5% grade and only 3200 feet or so and Look out pass is a 6% grade and about 5k feet. They just fixed Lookout and did a great job.
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07-10-2019, 10:53 PM
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#5
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Senior Member
Join Date: Aug 2011
Location: Enjoying the Western States!
Posts: 19,773
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You have no worry about steep grades with your motorhome. 
__________________
Full-timed for 16 Years . . .
Traveled 8 yr in a 2004 Newmar Dutch Star 40' Diesel
& 8 yr in a 33' Travel Supreme 5th wheel
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07-11-2019, 08:24 AM
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#6
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Senior Member
Join Date: Mar 2015
Posts: 2,984
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Dozens (hundreds?) of fully loaded semi-trucks go over that stretch every day...
__________________
'04 Newmar Mountain Aire 4016
400ISL/Freightliner
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07-11-2019, 12:54 PM
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#7
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Senior Member
Tiffin Owners Club
Join Date: Oct 2010
Location: Granger, TX
Posts: 595
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All the above AND beautiful country.
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07-11-2019, 04:33 PM
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#8
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Senior Member
Freightliner Owners Club
Join Date: Mar 2002
Location: Western WA
Posts: 1,294
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If the hills scare you check out Montana Route 200 following the Clark River Valley to Lake Pend Oreille and then south to Couer d’Alene. Beautiful drive too. Commercial trucks use it, your MH will not have problems either.
__________________
Sold the Motorhome, joined the fully retired gang. '07 Winnebago Journey 34H, ISB-02, MH2500
Toad - '08 Ford Taurus X, Blue Ox, Aventa
US Gear UBS
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07-11-2019, 04:52 PM
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#9
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Senior Member
Join Date: Feb 2017
Posts: 233
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Quote:
Originally Posted by FleetMan
If the hills scare you check out Montana Route 200 following the Clark River Valley to Lake Pend Oreille and then south to Couer d’Alene. Beautiful drive too. Commercial trucks use it, your MH will not have problems either.
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Not scared of hills. Just doing my homework so as not to get myself into something I'll regret. Too many times in my life I've done thing without though and paid for it, lol. If semi's run it as I figured they did I should be fine.
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07-11-2019, 10:01 PM
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#10
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Senior Member
Join Date: Jun 2016
Location: SW Louisiana
Posts: 8,937
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I have driven that route a few times in the last 10-15 years have friends that lived in Missoula, but not in an RV, as we would fly into Spokane and drive over. As memory serves it was a scenic drive, nothing too bad.
__________________
2002 Safari Trek 2830 on P32 Chassis with 8.1L w/ 400 watts solar 420Ah LiFePo4
2017 Jeep Cherokee Overland & 2007 Toyota Yaris TOADs with Even Brake,
Demco Commander tow bar and Blue Ox / Roadmaster base plates
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07-13-2019, 05:49 PM
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#11
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Junior Member
Join Date: Sep 2010
Posts: 8
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Agreed with the replies above. Just take it slow and you will be fine.
__________________
Jim & Sheri
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07-13-2019, 06:38 PM
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#12
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Senior Member
Join Date: Dec 2010
Posts: 1,084
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Quote:
Originally Posted by campgal
Agreed with the replies above. Just take it slow and you will be fine.
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why would you take it slow on a major freeway? 
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07-13-2019, 06:46 PM
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#13
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Senior Member
Outdoors RV Owners Club
Join Date: Mar 2016
Posts: 855
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I drag a 33’ trailer over that stretch of freeway every year on the way to deer camp in eastern Montana. It’s a modern freeway and well maintained.
__________________
2019 Outdoors RV Timber Ridge 27 bhs
2017 Ram Cummins 2500
Soggy side of Oregon
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07-13-2019, 06:46 PM
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#14
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Senior Member
Join Date: Oct 2016
Posts: 1,804
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Hi Vacationfools; Just there at lookout pass last Tuesday. Some construction on the west side of the pass and down to 1 lane in a small section. With your coach you should have no problems. A little steeper grade on the east side of lookout pass. You should do just fine!
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