Montana Department of Transportation

Traveler Information

Travel Conditions

Load & Speed Restrictions

November 20, 2014 at 02:25 PM

NOTICE IS HEREBY GIVEN THAT, in accordance with the provisions of Section 61-10-128, MCA, the following sections of public highway are, or will be, limited or otherwise restricted to traffic for certain classes of vehicles for an indeterminate period from the effective date of this order. These restrictions will be removed by proper authority at such a time as road and weather conditions permit.

THIS ORDER shall cancel and supersede any previous order in conflict herewith provided; however, this order shall not supersede any restrictions now in force covering bridges upon the section of highway concerned. No notice will be issued if restrictions remain unchanged.

CREDIT for tires will be based on nominal tire markings.

Load Restrictions

Load limit single axle 2 tons. However, at no time will the weight exceed 4000 lbs per single axle. Speed limit as posted.

Old Hwy 10 - Mile Post 1.5 to 1.5
Effective January 21, 2013
Old Hwy 10 east of Rosebud--Bridge WEIGHT LIMIT 5 TONS-- SINGLE AXLE 2 TONS, TANDEM AXLE 3 TONS.

Load limit single axle 8 tons, tandem axle 16 tons, 400 lbs per inch width of tire. However, at no time will the weight exceed 16000 lbs per single axle and 32000 lbs per tandem axle. Speed limit as posted.

S-201 - Mile Post 27.6 to 57.8
Effective March 17, 2014
End of Richland County gravel road to Junction MT-16 north of Sidney
S-261 - Mile Post 13.4 to 25.8
Effective March 26, 2012
County gravel portion of S-261 MP 13.4 to MP 27.6 The weight restriction has been lifted on the paved portion of S-261. The restriction is still in effect on the gravel portion of S-261 MP 13.4 to 27.6
S-379 - Mile Post 0 to 14.1
Effective February 18, 2013
Diamond Valley Road--East of Dutton

Speed Limit Restrictions

S-240 - Mile Post 3 to 3.1
Effective May 16, 2005 through September 08, 2014
35 MPH
Bridge south of Chinook Speed restriction over bridge

Important Notes:

NO Overweight Permits are to be issued on highways with above load or speed restrictions. The 10% allowance provision of 61-10-144 MCA is not allowed (see policy for exceptions).

Speed Restrictions:

ALL SPEEDS will be limited to MAXIMUM LEGAL SPEED, or to a lower rate of speed as posted in areas where speed restrictions are imposed. Strict compliance with speed restrictions will be enforced. 600 pounds per inch width of tire will be allowed on the front axle, regardless of the seasonal load limit in effect.


Further detailed information regarding these restrictions may be secured from the Helena Maintenance Office of The Montana Department of Transportation by phoning (406)444-6372.