['Size and Weight Limits']
['Sizes and weights']
07/19/2024
Copyright 2024 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.
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| Dimension | National Network | State and Other Supplemental Highways |
| Width: | 8' 6" | 8' 6" |
| Height: | 13' 6" | 13' 6" |
| Length: | National Network | State and Other Supplemental Highways |
| Bus | ||
| Articulated bus | 61' | 61' |
| Straight Trucks | 45' | 45' |
| Straight truck and trailer | 75' | 75' |
| Tractor-semitrailer combinations | NS | 75' |
| Semitrailer | 53' see KPRA | 53' see KPRA |
| Tractor-twin-trailer combination | N/S | Allowed only on state-designated routes |
| Trailers of twin-trailer combinations | 28' 6" | 28' 6" |
| Boat-transporter combination | 75' | 75' |
| Overhang limitations | ||
| Stinger-steered boat-transporter | ||
| Overhang limitations | ||
| Auto-transporter | 75' | 75' |
| Overhang limitations | ||
| Stinger-steered auto-transporter | 80' | 80' |
| Overhang limitations | 4' front, 6' rear | 4' front, 6' rear |
| Saddlemount | 97' | 97' |
| General overhang limitations | ||
| Drawbar | 15' | 15' |
| Dromedary | ||
| Kingpin to rearaxle | 43' to the centerline of the rear axle group | 43' to the centerline of the rear axle group |
| Length special limitations or restrictions | All vehicles are measured individually, even when in combinations, and all maximum length measurements for a vehicle or combination include front and rear overhang. | |
| Weight: | Interstate and Defense Highways | On all paved 10-ton routes |
| Steer axle | 20,000 lb up to 600 lb/in. of tire width or tire rating | 18,000 up to 600 lb/in. of tire width or tire rating |
| Single axle | 20,000 | 20,000 |
| Tandem axle | 34,000 | 34,000 |
| Tridem axle | ||
| Gross vehicle weight | 80,000 | 80,000 |
| Load per inch width of tire | 500 | 500 |
| Per wheel | 10,000 | 10,000 |
| Tolerances | ||
| APU allowance | 550 | 550 |
| Natural gas allowance | 2,000 | 2,000 |
| Weight special limitations or restrictions | All paved routes in Minnesota are 10-ton routes unless posted with a sign indicating a lesser axle weight limit. | |
Bridge rules
Up to 10% more weight is allowed during winter freeze, with no permit required except when traveling on Interstates. Vehicles must be registered for sufficient weight to cover GVW. The winter freeze period varies each year depending on weather (information available at www.dot.state.mn.us/materials/index.html or at (800) 723-6543).
| Distances in feet between centers of foremost and rearmost axles of a group | 2 | 3 | 4 |
|---|---|---|---|
| Consecutive axles of a 2-axle vehicle or any combination of vehicles having a total of 2 or more axles | Consecutive axles of a 3-axle vehicle or any combination of vehicles having a total of 3 or more axles | Consecutive axles of a 4-axle vehicle or any combination of vehicles having a total of 4 or more axles | |
| 4 | 34,000 | ||
| 5 | 34,000 | ||
| 6 | 34,000 | ||
| 7 | 34,000 | ||
| 8 | 34,000 | 34,000 | |
| 8 plus | 34,000 (38,000) | 34,000 | |
| 9 | 35,000 (39,000) | 43,000 | |
| 10 | 36,000 (40,000) | 43,500 | 49,000 |
| 11 | 36,000 | 44,500 | 49,500 |
| 12 | 45,000 | 50,000 | |
| 13 | 46,000 | 51,000 | |
| 14 | 46,500 | 51,500 | |
| 15 | 47,500 | 52,000 | |
| 16 | 48,000 | 53,000 | |
| 17 | 49,000 | 53,500 | |
| 18 | 49,500 | 54,000 | |
| 19 | 50,500 | 55,000 | |
| 20 | 51,000 | 55,500 | |
| 21 | 52,000 | 56,000 | |
| 22 | 52,500 | 57,000 | |
| 23 | 53,500 | 57,500 | |
| 24 | 54,000 | 58,000 | |
| 25 | (55,000) | 59,000 | |
| 26 | (55,500) | 59,500 | |
| 27 | (56,500) | 60,000 | |
| 28 | (57,000) | 61,000 | |
| 29 | (58,000) | 61,500 | |
| 30 | (58,500) | 62,000 | |
| 31 | (59,500) | 63,000 | |
| 32 | (60,000) | 63,500 | |
| 33 | 64,000 | ||
| 34 | 65,000 | ||
| 35 | 65,500 | ||
| 36 | 66,000 | ||
| 37 | 67,000 | ||
| 38 | 67,500 | ||
| 39 | 68,000 | ||
| 40 | 69,000 | ||
| 41 | 69,500 | ||
| 42 | 70,000 | ||
| 43 | 71,000 | ||
| 44 | 71,500 | ||
| 45 | 72,000 | ||
| 46 | 72,500 | ||
| 47 | (73,500) | ||
| 48 | (74,000) | ||
| 49 | (74,500) | ||
| 50 | (75,500) | ||
| 51 | (76,000) | ||
| 52 | (76,500) | ||
| 53 | (77,500) | ||
| 54 | (78,000) | ||
| 55 | (78,500) | ||
| 56 | (79,500) | ||
| 57 | (80,000) |
| Distances in feet between centers of foremost and rearmost axles of a group | 5 | 6 | 7 | 8 |
|---|---|---|---|---|
| Consecutive axles of a 5-axle vehicle or any combination of vehicles having a total of 5 axles or more | Consecutive axles of a 6-axle vehicle or any combination of vehicles having a total of 6 axles or more | Consecutive axles of a 7-axle vehicle or any combination of vehicles having a total of 7 axles or more | Consecutive axles of an 8-axle vehicle or any combination of vehicles having a total of 8 axles or more | |
| 14 | 57,000 | |||
| 15 | 57,500 | |||
| 16 | 58,000 | |||
| 17 | 59,000 | |||
| 18 | 59,500 | |||
| 19 | 60,000 | |||
| 20 | 60,500 | 66,000 | 72,000 | |
| 21 | 61,500 | 67,000 | 72,500 | |
| 22 | 62,000 | 67,500 | 73,000 | |
| 23 | 62,500 | 68,000 | 73,500 | |
| 24 | 63,000 | 68,500 | 74,000 | |
| 25 | 64,000 | 69,000 | 75,000 | |
| 26 | 64,500 | 70,000 | 75,500 | |
| 27 | 65,000 | 70,500 | 76,000 | |
| 28 | 65,500 | 71,000 | 76,500 | |
| 29 | 66,500 | 71,500 | 77,000 | |
| 30 | 67,000 | 72,000 | 77,500 | |
| 31 | 67,500 | 73,000 | 78,500 | |
| 32 | 68,000 | 73,500 | 79,000 | |
| 33 | 69,000 | 74,000 | 79,500 | |
| 34 | 69,500 | 74,500 | 80,000 | |
| 35 | 70,000 | 75,000 | (80,500) | (86,000) |
| 36 | 70,500 | 76,000 | (81,000) | (86,500) |
| 37 | 71,500 | 76,500 | (81,500) | (87,000) |
| 38 | 72,000 | 77,000 | (82,000) | (87,500) |
| 39 | 72,500 | 77,500 | (82,500) | (88,500) |
| 40 | 73,000 | 78,000 | (83,500) | (89,000) |
| 41 | 74,000 | 79,000 | (84,000) | (89,500) |
| 42 | 74,500 | 79,500 | (84,500) | (90,000) |
| 43 | 75,000 | 80,000 | (85,000) | (90,500) |
| 44 | 75,500 | (80,500) | (85,500) | (91,000) |
| 45 | 76,500 | (81,000) | (86,000) | (91,500) |
| 46 | 77,000 | (81,500) | (87,000) | (92,500) |
| 47 | 77,500 | (82,000) | (87,500) | (93,000) |
| 48 | 78,000 | (83,000) | (88,000) | (93,500) |
| 49 | 79,000 | (83,500) | (88,500) | (94,000) |
| 50 | 79,500 | (84,000) | (89,000) | (94,500) |
| 51 | 80,000 | (84,500) | (89,500) | (95,000) |
| 52 | (80,500) | (85,000) | (90,500) | (95,500) |
| 53 | (81,000) | (86,000) | (91,000) | (96,500) |
| 54 | (81,500) | (86,500) | (91,500) | (97,000) |
| 55 | (82,500) | (87,000) | (92,000) | (97,500) |
| 56 | (83,000) | (87,500) | (92,500) | (98,000) |
| 57 | (83,500) | (88,000) | (93,000) | (98,500) |
| 58 | (84,000) | (89,000) | (94,000) | (99,000) |
| 59 | (85,000) | (89,500) | (94,500) | (99,500) |
| 60 | (85,500) | (90,000) | (95,000) | (100,500) |
| 61 | (95,500) | (101,000) | ||
| 62 | (96,000) | (101,500) | ||
| 63 | (96,500) | (102,000) | ||
| 64 | (97,000) | (102,500) | ||
| 65 | (103,000) | |||
| 66 | (103,500) | |||
| 67 | (104,500) | |||
| 68 | (105,000) | |||
| 69 | (105,500) | |||
| 70 | (106,000) | |||
| 71 | (106,500) | |||
| 72 | (107,000) | |||
| 73 | (107,500) | |||
| 74 | (108,000) |
The gross weights shown without parentheses in the table above are allowed on unpaved streets and highways, unless posted to a lesser weight. The gross weights shown in this table, whether within or without parentheses, are allowed on paved streets and highways, unless posted to a lesser weight. Gross weights in excess of 80,000 pounds require an overweight permit.
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Copyright 2024 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.