Montana Weigh Station & DOT Information
Total Weigh Stations & Truck Scales: 40
All vehicles except passenger cars and pickup trucks under 14,000 lbs are required to stop at open Montana Weigh Stations. Recreational vehicles are not required to stop unless they are in transit for delivery to a distributor or dealer. Any vehicle that weighs more than 10,000 lbs may be stopped for inspection and weighing at portable scale locations.
PrePass trucks that receive a green light in Montana must still enter an open weigh station if they are pulling an oversize/overweight (even permitted) load, an overwide load (greater than 9 feet wide), an overheight load (greater than 14’6â€), or a fuel tanker (loaded or empty).
Don’t mess with Montana when it comes to logs. They are a watch dog state. Our worst DOT experience ever was at the Crow Agency scale. The DOT officer decided he was going to find something wrong- no matter what. When someone scrutinizes your paperwork with that kind of attitude, you can be sure he WILL find something wrong. For the 15-minute discrepancy between a receipt and the log, we had to pay somewhere around $100 on the spot.
Tri-axle trailers with single tires (a total of 6 tires rather than 12 for duals) are only allowed 33,000 lbs in Montana.
The Montana fuel tax rate is $0.286 per gallon of diesel. This rate includes $0.0075 per gallon for the state cleanup fund.
Over-Gross Weight Tolerance: Premium Content
Over-Axel Weight Tolerance: Premium Content
Overweight Fines and Consequences: Premium Content
Important Phone Numbers:
State Police: 406-444-3780
Motor Carrier Services Division HQ: 406-444-6130 or 406-444-7262
Motor Carrier Safety Assistance Program: 406-444-3300
Montana Motor Carrier Association: 406-442-6600
PrePass: 800-773-7277
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| Weigh Station Name | Highway / Route | Mile | Truck Scale Location |
|---|---|---|---|
| Culbertson | RT 2 – eb | Culbertson | |
| Culbertson | RT 2 – wb | Culbertson | |
| Kalispell | RT 2 – eb | Kalispell | |
| Kalispell | RT 2 – wb | Kalispell | |
| Troy (Libby) | RT 2 56 – nb sb | Troy (in the northwest corner of the state) | |
| Havre | RT 2 87 – nb sb | Havre | |
| Lavina | RT 12 3 – nb | Lavina (north of Billings) | |
| Lavina | RT 12 3 – sb | Lavina (north of Billings) | |
| Harlowtown | RT 12 191 – nb sb | Harlowtown | |
| Circle | RT 13 200 – eb | Circle (northwest of Glendive) | |
| Circle | RT 13 200 – wb | Circle (northwest of Glendive) | |
| Butte | I 15 90 – eb | Rocker (5 miles west of Butte) | |
| Butte | I 15 90 – wb | Rocker (5 miles west of Butte) | |
| Great Falls | I 15 – nb | Great Falls (airport interchange) | |
| Helena | I 15 – sb | Helena | |
| Lima | I 15 – nb | Lima | |
| Coutts, Alberta Canada | I 15 – nb | Coutts, Alberta (1 mile north of Alberta border) | |
| Coutts, Alberta Canada | I 15 – sb | Coutts, Alberta (1 mile north of Alberta border) | |
| Clearwater | RT 83 200 – nb sb | Clearwater Junction | |
| Bozeman | RT 84 191 – nb | Bozeman Hot Springs | |
| Bozeman | RT 84 191 – sb | Bozeman Hot Springs | |
| Armington Junction | RT 87 89 – eb | Armington | |
| Grass Range | RT 87 19 200 | Grass Range (in Fergus County) | |
| Billings Interstate (East Bound) | I 90 – eb | 438 1/2 mile marker | Billings |
| Billings Interstate (West Bound) | I 90 – wb | 438 1/2 mile marker | Billings (10 miles west of Billings) |
| Crow Agency | I 90 – eb | Crow Agency | |
| Crow Agency | I 90 – wb | Crow Agency | |
| Drummond | I 90 – eb | Drummond | |
| Drummond | I 90 – wb | Drummond | |
| Haugan | I 90 – eb | 15 | Haugen (east of ID border) |
| Haugan | I 90 – wb | 15 | Haugen (east of ID border) |
| Forsyth | I 94 – eb | Forsyth (between Billings and Miles City) | |
| Forsyth | I 94 – wb | Forsyth (between Billings and Miles City) | |
| Wibaux | I 94 – eb | Wibaux | |
| Wibaux | I 94 – wb | Wibaux | |
| Broadus | RT 212 – nb sb | Broadus | |
| Shelby | I 15 – sb | 367 | Shelby (north of Shelby) |
| Missoula | I 90 – eb | 92 | French Town (west of Missoula) |
| Missoula | I 90 – wb | 92 | French Town (west of Missoula) |
| Black Hawk | RT 500 |