Montana Department of Transportation

Traveler Information

Travel Conditions

Load & Speed Restrictions

October 20, 2017 at 12:06 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 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-238 - Mile Post .4 to 7.2
Effective April 11, 2016
Lewistown South East - Upper Spring Creek Road Due to slides in this construction zone a weight limit is in place with single lanes day and night until further notice.
S-261 - Mile Post 13.4 to 25.8
Effective March 07, 2016
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
South Frontage Road - Mile Post .4 to 13.8
Effective February 29, 2016
South Frontage Rd milepost. 0.4, Deer Lodge to Warm Springs
Dutton / Vaughn Frontage Road - Mile Post 18 to 22
Effective March 27, 2017
Between Dutton and Power Recommend alternate route for all truck traffic due to roadway break-up.

Speed Limit Restrictions

S-238 - Mile Post .4 to 7.2
Effective April 11, 2016
35 MPH
Lewistown South East - Upper Spring Creek Road Due to slides in this construction zone a weight limit is in place with single lanes day and night until further notice.
South Frontage Road - Mile Post .4 to 13.8
Effective February 29, 2016
65 MPH
South Frontage Rd milepost. 0.4, Deer Lodge to Warm Springs

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.

Information:

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.