Truck Axle Weight Limits by State 2025

Hawaii
22,500
Connecticut
22,400
Indiana
22,400
Maine
22,400
Maryland
22,400
Massachusetts
22,400
New Hampshire
22,400
New Jersey
22,400
Rhode Island
22,400
Vermont
22,400
Florida
22,000
Kansas
22,000
New Mexico
21,600
Ohio
21,000
Georgia
20,340
Alabama
20,000
Alaska
20,000
Arizona
20,000
Arkansas
20,000
California
20,000
Colorado
20,000
Delaware
20,000
Idaho
20,000
Illinois
20,000
Kentucky
20,000
Louisiana
20,000
Minnesota
20,000
Mississippi
20,000
Nebraska
20,000
Nevada
20,000
North Carolina
20,000
North Dakota
20,000
Oklahoma
20,000
Oregon
20,000
South Carolina
20,000
South Dakota
20,000
Tennessee
20,000
Texas
20,000
Utah
20,000
Virginia
20,000
Washington
20,000
Wisconsin
20,000
Wyoming
20,000
Montana
20,000
West Virginia
20,000
Michigan
18,000
State
Gross Vehicle Weight Maximum
Single Axle Weight Maximum
Tandem Axle Weight Maximum
Tridem Axle Weight Maximum
Gross Weight Details
Alabama Flag
Alabama80,00020,00034,00042,000Max weight increases to 84,000 lbs. (6 or more axles) on non-Interstate highways.
Alaska Flag
Alaska20,00038,00042,000Gross vehicle weight is limited by the FBF or the summation of axle or axle group limits, whichever is less. Weight limits on axles or axle groups may not exceed the following, and the distance between axles may not be less than the following: Single Axle: weight (lbs.) - 20,000; distance: 8'1" Minimum spacing. 2-Axle Group: weight (lbs.) - 38,000; distance: 3'6" Minimum spacing. 3-Axle Group: weight (lbs.) - 42,000; distance: 3'6" Minimum spacing. 4-Axle Group: weight (lbs.) - 50,000; distance: 3'6" Minimum spacing.
Arizona Flag
Arizona129,00020,00040,000NaNPer State weight table. 80,000 lbs. (5-axle or more).
Arkansas Flag
Arkansas80,00020,00034,00050,000Per State weight table. 80,000 lbs. Steering axle 20,000 lbs. Tandem-steer axle 24,000 lbs.
California Flag
California80,00020,00034,000NaNGross weight: 80,000 lbs. Alternative method of computation: 76,800 lbs.
Colorado Flag
Colorado110,00020,00036,000NaNInterstates: 80,000 lbs. and FBF. Non-Interstate highways: 85,000 lbs. and State bridge formula.
Connecticut Flag
Connecticut80,00022,40036,000NaN73,000 lbs. or 80,000 lbs. and application of FBF.
Delaware Flag
Delaware40,00020,00034,000NaN2 axle GVW: 40,000 lbs. 3 axle GVW: 54,000 lbs. on Interstates and U.S. numbered routes, 65,000 lbs. on all other highways. 4 axle GVW: 74,000 lbs. on Interstates and U.S. numbered routes 73,280 on all other highways. 5 axle GVW: 80,000 lbs.
Florida Flag
Florida147,00022,00044,000NaNGross weight: 80,000 lbs.
Georgia Flag
Georgia80,00020,34034,000NaN80,000 lbs.; subject to FBF if Gross weight of vehicle is between 73,280 lbs. and 80,000 lbs.
Hawaii Flag
Hawaii88,00022,50034,00042,500Gross weight 80,000 lbs. on Interstate highways. Gross weight: 88,000 lbs. on all other highways. 11,250 lbs. per single tire. On non-Interstate highways, no citation is issued for violating weight provisions unless a load exceeds State weight limits by more than 2 percent (when a permanently installed scale is used) or by more than 5 percent (when a portable scale is used).
Idaho Flag
Idaho105,50020,00034,000NaNGross weight: 80,000 lbs. 10,000 lbs. per wheel.
Illinois Flag
Illinois80,00020,00034,00042,500Gross weight 42,500. 800 lbs. per inch width of non-pneumatic tire when any axle exceeds 16,000 lbs.
Indiana Flag
Indiana127,40022,40036,000NaNGross weight 80,000 lbs.
Iowa Flag
Iowa129,000NaN80,000 lbs. on primary and non-primary highways. 90,000 lbs. on non-Interstate highways for six-axle vehicles. 96,000 lbs. on non-Interstate highways for seven-axle vehicles.
Kansas Flag
Kansas120,00022,00034,000NaN80,000 lbs. on Interstate highways. 85,500 lbs. on non-Interstate highways.
Kentucky Flag
Kentucky80,00020,00034,00048,000Designated highways: As determined by the Secretary of the Transportation Cabinet, up to 80,000 lbs. All other highways: 36,000 lbs. 80,000 lbs. on class AAA highways. 62,000 lbs. on class AA highways. 44,000 lbs. on class A highways.
Louisiana Flag
Louisiana80,00020,00034,00042,00080,000 lbs. 83,400 lbs. for vehicle combinations with tridum or quadrum axles on Interstate highways. 88,000 lbs. for vehicle combinations with tridum or quadrum axles on non-Interstate highways.
Maine Flag
Maine100,00022,40041,000NaN80,000 lbs. on Interstate highways. 94,000 lbs. for a four-axle SU truck in combination with a two-axle trailer on non-Interstate highways. 100,000 lbs. for a qualifying combination of a three-axle truck tractor and tri-axle semitrailer.
Maryland Flag
Maryland80,00022,40034,000NaN80,000 lbs.
Massachusetts Flag
Massachusetts127,40022,40036,000NaNGross weight 80,000 lbs. 800 lbs. per inch of tire (Mass. Gen. Laws Ann. ch. 85, §30).
Michigan Flag
Michigan164,00018,00032,000NaNGross weight: 80,000 lbs. or less: application of bridge formula. More than 80,000 lbs., provided axle limits are maintained (up to 164,000 lbs. on 11 axles and appropriate spacing).
Minnesota Flag
Minnesota80,00020,00034,00042,000Single Axle10,000 lbs. per single tire. A 10 percent increase in State over weight limits is allowed during winter freeze on non-Interstate highways without a permit and on Interstate highways with a permit. 600 lbs. per inch width of tire on steering axles. 500 lbs. per inch width of tire on all other axles.
Mississippi Flag
Mississippi80,00020,00034,000NaNGross weight 80,000 lbs.
Missouri Flag
Missouri120,000NaNGross weight 80,000 lbs.
Montana Flag
Montana137,80020,00034,000NaN80,000 lbs. on Interstate highways. 95,000 lbs. on non-Interstate highways.
Nebraska Flag
Nebraska95,00020,00034,000NaNGross weight 80,000 lbs. on Interstate highways. Governed by State bridge formula on non-Interstate highways.
Nevada Flag
Nevada129,00020,00034,000NaNGross weight 80,000 lbs. on Interstate highways. Governed by State bridge formula on non-Interstate highways.
New Hampshire Flag
New Hampshire103,00022,40036,000NaNGross weight 80,000 lbs; 99,000 on non-Interstate highways.
New Jersey Flag
New Jersey80,00022,40034,000Gross weight 80,000 lbs.
New Mexico Flag
New Mexico86,40021,60034,200NaNGross weight 86,400 lbs.
New York Flag
New York143,000NaNGross weight 80,000 lbs.
North Carolina Flag
North Carolina80,00020,00038,000NaNGross weight 80,000 lbs. A 10 percent tolerance is allowed for axle group limits in the State weight chart.
North Dakota Flag
North Dakota105,50020,00034,000NaNGross weight 80,000 lbs. on Interstate highways. 105,500 lbs. on non-Interstate highways. 550 lbs. per inch of tire width (does not apply to steering axles). 10,000 lbs. per tire.
Ohio Flag
Ohio127,40021,00034,000NaNGross weight 80,000 lbs. 650 lbs. per inch width of tire.
Oklahoma Flag
Oklahoma90,00020,00034,000NaNGross weight 80,000 lbs. 80,000 lbs. on Interstate highways 90,000 lbs. on non-Interstate highways.
Oregon Flag
Oregon105,50020,00034,000NaNGross weight 80,000 lbs. 600 lbs. per inch of tire width. 10,000 lbs. per wheel.
Pennsylvania Flag
Pennsylvania80,000NaNGross weight 80,000 lbs. 3% tolerance (non-Interstates). 800 lbs. per inch width of tire.
Rhode Island Flag
Rhode Island80,00022,40044,800Gross weight 80,000 lbs.
South Carolina Flag
South Carolina80,00020,00035,200NaNGross weight 73,280 lbs. on non-Interstate highways. 80,000 lbs. on Interstate highways. 10 percent tolerance on non-Interstate highways (S.C. Code Ann. §56-5-4160[A])
South Dakota Flag
South Dakota129,00020,00034,000NaNGross weight 80,000 lbs. on Interstate highways (except grandfathered routes). Subject to State bridge formula on non-Interstate highways. 600 lbs. per inch of tire width on steering axles and axles with dual tires. 500 lbs. per inch of tire width on all other axles (S.D. Codified Laws Ann. §32-22-21).
Tennessee Flag
Tennessee80,00020,00034,000NaNGross weight 80,000 lbs.
Texas Flag
Texas80,00020,00034,000Gross weight 80,000 lbs. 5% tolerance on GVW up to 80,000 lbs. (Tex. Transportation Code Ann. §621.403). 5% tolerance on axle weight (Tex. Transportation Code Ann. §621.404).
Utah Flag
Utah129,00020,00034,000Gross weight 80,000 lbs. 10,500 lbs. per wheel
Vermont Flag
Vermont80,00022,40036,000Gross weight 80,000 lbs. 600 lbs. per inch of tire width.
Virginia Flag
Virginia80,00020,00034,000Gross weight 80,000 lbs. 650 lbs. per inch width of tire.
Washington Flag
Washington105,50020,00034,000Gross weight 105,500 lbs. on non-Interstate highways. 600 lbs. per inch of tire width.
West Virginia Flag
West Virginia80,00020,00034,000NaNGross weight 80,000 lbs. maximum on Interstate and STRAHNET and all other routes. 10 percent tolerance on non-Interstate highways routes not part of the Interstate or STRAHNET.
Wisconsin Flag
Wisconsin80,00020,00034,000NaNGross weight regulated by state bridge formula (2-4 axles), 80,000 lbs. (5-axle or more). Steering axle 20,000 lbs. Gross weight of any one wheel or multiple wheels supporting one end of an axle may not exceed 11,000 lbs.
Wyoming Flag
Wyoming117,00020,00036,00042,000Gross weight 80,000 lbs. on primary and secondary highways using Gross weight Table 2. 117,000 lbs. on primary, secondary, and Interstate highways using Gross weight Table 1. 600 lbs. per inch width of tire. 750 lbs. per inch width of tire on steering axles.
  • Vehicle requirements may change at any time. Potential drivers are advised to check with local authorities to ensure compliance.
  • FBF is an abbreviation for Federal Bridge Formula, a guideline that establishes the maximum legal weight in pounds that can be imposed on a bridge on an interstate highway by any vehicle (or, more precisely, its combination of axles).