DOT & ALABAMA STATE WEIGHT LIMITS
Gross Weight
80,000 lbs on the Interstate System
84,000 lbs on non-Interstate highways; state bridge formula* for combinations with six or more axles
* State bridge formula (same as federal bridge formula) is W = 500 (LN/N-1 + 12N + 36) where W is the gross weight of any group of two or more consecutive axles to the nearest 500 lbs, L is the distance in feet between the outer axles of any group of two or more consecutive axles, and N is the number of axles in the group being calculated.
Single Axle
20,000 lbs
Tandem Axle
34,000 lbs on the Interstate System
36,000 lbs on non-Interstate highways; also subject to state bridge formula
Other State Provisions & Exemptions
- 10% weight tolerance for enforcement allowed on the non-Interstate System.
- Vehicles with idle reduction technology can have axle, vehicle, or bridge formula weights of up to 400 lbs over the limit.
The information provided here is not comprehensive and may not reflect the most recent state limits. Additional codes, regulations, and exemptions may apply. Please visit the Alabama DOT website for current information.
JOHN DEERE 8530
From: Moulton, AL 35650
To: Syracuse, KS 67878
Dimensions: 18’10” L x 8’2″ W x 10’3″ H
Weight: 26,800 lbs
JOHN DEERE GATOR XUV 825I
From: Guntersville, AL 35976
To: Sparta, TN 38583
Dimensions: 9’11” L x 5’2″ W x 6’3″ H
Weight: 1,630 lbs
KUBOTA SVL75-2
From: Zephyrhills, FL 33540
To: Northport, AL 35476
Dimensions: 11’9″ L x 5’6″ W x 6’10” H
Weight: 9,309 lbs
Equipment & Machinery
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