Federal & State Regulations | Size/Weight limits - Virginia

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	45'	45'
Articulated bus
Straight Trucks	40'	40'
Straight truck and trailer	65'	65'
Tractor-semitrailer combinations	No limit	No limit Unless prohibited
Semitrailer	53' see KPRA	53' see KPRA
Tractor-twin-trailer combination	No limit	Not allowed
Trailers of twin-trailer combinations	28' 6"	Not allowed
Boat-transporter combination	65'	65'
Overhang limitations	3' front, 4' rear	3' front, 4' rear
Stinger-steered boat-transporter	75'	75'
Overhang limitations	3' front, 4' rear	3' front, 4' rear
Auto-transporter	65'	65'
Overhang limitations	3' front, 4' rear	3' front, 4' rear
Stinger-steered auto-transporter	80'	80'
Overhang limitations	4' front, 6' rear	4' front, 6' rear
Saddlemount	97' up to 3	75'
General overhang limitations	3' front, 4' rear, and 6" side	3' front, 4' rear, and 6" side
Drawbar	15'	15'
Dromedary
Kingpin to rearaxle	41' to the rearmost axle or a point midway between the rear tandem axles	41' to the rearmost axle or a point midway between the rear tandem axles
Length special limitations or restrictions	Vehicles exclusively designed as automobile transporters may transport cargo or general freight on a backhaul.
Weight:	Interstate and Defense Highways	State and Other Supplemental Highways
Steer axle
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	650	650
Per wheel
Tolerances
APU allowance	550	550
Natural gas allowance	2,000 Includes battery powered	2,000 Includes battery powered
Weight special limitations or restrictions

MAXIMUM WEIGHT LIMITATIONS ON ALL HIGHWAYS
Single Unit (2 Axle)	40,000 lb
Single Unit (3 Axle)	54,000 lb
Tractor-Semitrailer (3 Axle)	60,000 lb
Tractor-Semitrailer (4 Axle)	74,000 lb

Bridge rules

GROSS WEIGHT TABLE

Distance in feet between the extremes of any two or more consecutive axles	Maximum weight in pounds between the extremes of any two or more consecutive axles
4	34,000
5	34,000
6	34,000
7	34,000
8	34,000	34,000
9	39,000	42,500
10	40,000	43,500
11		44,000
12		45,000	50,000
13		45,500	50,500
14		46,500	51,500
15		47,000	52,000
16		48,000	52,500	58,000
17		48,500	53,500	58,500
18		49,500	54,000	59,000
19		50,000	54,500	60,000
20		51,000	55,500	60,500	66,000
21		51,500	56,000	61,000	66,500
22		52,500	56,500	61,500	67,000
23		53,000	57,500	62,500	68,000
24		54,000	58,000	63,000	68,500
25		54,500	58,500	63,500	69,000
26		55,500	59,500	64,000	69,500
27		56,000	60,000	65,000	70,000
28		57,000	60,500	65,500	71,000
29		57,500	61,500	66,000	71,500
30		58,500	62,000	66,500	72,000
31		59,000	62,500	67,500	72,500
32		60,000	63,500	68,000	73,000
33			64,000	68,500	74,000
34			64,500	69,000	74,500
35			65,500	70,000	75,000
36			66,000	70,500	75,500
37			66,500	71,000	76,000
38			67,500	72,000	77,000
39			68,000	72,500	77,500
40			68,500	73,000	78,000
41			69,500	73,500	78,500
42			70,000	74,000	79,000
43			70,500	75,000	80,000
44			71,500	75,500
45			72,000	76,000
46			72,500	76,500
47			73,500	77,500
48			74,000	78,000
49			74,500	78,500
50			75,500	79,000
51			76,000	80,000

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Distance in feet between the extremes of any two or more consecutive axles	Maximum weight in pounds between the extremes of any two or more consecutive axles
	2 axles	3 axles	4 axles	5 axles	6 axles
4	34,000
5	34,000
6	34,000
7	34,000
8	34,000	34,000
9	39,000	42,500
10	40,000	43,500
11		44,000
12		45,000	50,000
13		45,500	50,500
14		46,500	51,500
15		47,000	52,000
16		48,000	52,500	58,000
17		48,500	53,500	58,500
18		49,500	54,000	59,000
19		50,000	54,500	60,000
20		51,000	55,500	60,500	66,000
21		51,500	56,000	61,000	66,500
22		52,500	56,500	61,500	67,000
23		53,000	57,500	62,500	68,000
24		54,000	58,000	63,000	68,500
25		54,500	58,500	63,500	69,000
26		55,500	59,500	64,000	69,500
27		56,000	60,000	65,000	70,000
28		57,000	60,500	65,500	71,000
29		57,500	61,500	66,000	71,500
30		58,500	62,000	66,500	72,000
31		59,000	62,500	67,500	72,500
32		60,000	63,500	68,000	73,000
33			64,000	68,500	74,000
34			64,500	69,000	74,500
35			65,500	70,000	75,000
36			66,000	70,500	75,500
37			66,500	71,000	76,000
38			67,500	72,000	77,000
39			68,000	72,500	77,500
40			68,500	73,000	78,000
41			69,500	73,500	78,500
42			70,000	74,000	79,000
43			70,500	75,000	80,000
44			71,500	75,500
45			72,000	76,000
46			72,500	76,500
47			73,500	77,500
48			74,000	78,000
49			74,500	78,500
50			75,500	79,000
51			76,000	80,000

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Size/Weight limits - Virginia

Bridge rules