Va. Code § 46.2-1126: Maximum gross weight, generally

Except as provided in § 46.2-1128, the gross weight imposed on the highway by a vehicle or combination shall not exceed the maximum weight given for the respective distance between the first and last axle of the vehicle or combination, nor shall any two or more consecutive axles exceed the maximum weight given, when measured longitudinally with any fraction of a foot rounded to the next highest as set forth in the following table:aDistance in feet between the extremes of any group of two or more consecutive axlesor Maximum weight in pounds on any group of axlesb 2 axles3 axles4 axles5 axles6 axles7 axlesc434,000     d534,000     e634,000     f734,000     g834,00034,000    h939,00042,500    i1040,00043,500    j11 44,000    k12 45,00050,000   l13 45,00050,500   m14 46,50051,500   n15 47,00052,000   o16 48,00052,50058,000  p17 48,50053,50058,500  q18 49,50054,00059,000  r19 50,00054,50060,000  s20 51,00055,50060,50066,000 t21 51,50056,00061,00066,500 u22 52,50056,50061,50067,000 v23 53,00057,50062,50068,000 w24 54,00058,00063,00068,50074,000x25 54,50058,50063,50069,00074,500y26 55,50059,50064,00069,50075,000z27 56,00060,00065,00070,00075,500aa28 57,00060,50065,50071,00076,500ab29 57,50061,50066,00071,50077,000ac30 58,50062,00066,50072,00077,500ad31 59,00062,50067,50072,50078,000ae32 60,00063,50068,00073,00078,500af33  64,00068,50074,00079,000ag34  64,50069,00074,50080,000ah35  65,50070,00075,000 ai36  66,00070,50075,500 aj37  66,50071,00076,000 ak38  67,50072,00077,000 al39  68,00072,50077,500 am40  68,50073,00078,000 an41  69,50073,50078,500 ao42  70,00074,00079,000 ap43  70,50075,00080,000 aq44  71,50075,500  ar45  72,00076,000  as46  72,50076,500  at47  73,50077,500  au48  74,00078,000  av49  74,50078,500  aw50  75,50079,000  ax51  76,00080,000  Code 1950, § 46-334; 1952, c. 454; 1956, cc. 141, 476; 1958, c. 541, § 46.1-339; 1962, c. 84; 1964, c. 354; 1974, c. 145; 1981, c. 187; 1982, c. 671; 1983, c. 515; 1987, c. 695; 1989, c. 727; 1994, c. 456.