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Dimension | National Network | State and Other Supplemental Highways |
Width: | 8' 6" | 8' 6" |
Height: | 14' | 14' |
Length: | National Network | State and Other Supplemental Highways |
Bus | ||
Articulated bus | ||
Straight Trucks | 45' | 45' |
Straight truck and trailer | 75' | 75' |
Tractor-semitrailer combinations | 75' unless otherwise noted | 75' unless otherwise noted |
Semitrailer | 53' | 48' |
Tractor-twin-trailer combination | 68' of trailers including tongues | 61' of trailers including tongues or 75' overall |
Trailers of twin-trailer combinations | 68' of trailers including tongues | 61' of trailers including tongues or 75' overall |
Boat-transporter combination | 65' | 65' |
Overhang limitations | front 3', rear 4' | front 3', rear 4' |
Stinger-steered boat-transporter | 75' | 75' |
Overhang limitations | front 3', rear 4' | front 3', rear 4' |
Auto-transporter | 65' | 65' |
Overhang limitations | front 4', rear 6' | front 4', rear 6' |
Stinger-steered auto-transporter | 80' | 80' |
Overhang limitations | front 4', rear 6' | front 4', rear 6' |
Saddlemount | 97' | 75' |
General overhang limitations | 4' front, 10' rear | 4' front, 10' rear |
Drawbar | ||
Dromedary | ||
Kingpin to rearaxle | ||
Length special limitations or restrictions | 1-mile access to terminals or facilities for fuel, food, lodging, or repairs. | |
Weight: | Interstate and Defense Highways | State and Other Supplemental Highways |
Steer axle | 20,000 or manufacturer’s rating of tire/axle | 20,000 or manufacturer’s rating of tire/axle |
Single axle | 20,000 or manufacturer’s rating of tire/axle | 20,000 or manufacturer’s rating of tire/axle |
Tandem axle | 34,000 | 34,000 |
Tridem axle | 42,000 | 42,000 |
Gross vehicle weight | 80,000 Up to 129,000 lbs if registration covers - permits available | 80,000 Up to 129,000 lbs if registration covers - permits available |
Load per inch width of tire | 600 of tire width or the manufacturer’s load rating, whichever is less | 600 of tire width or the manufacturer’s load rating, whichever is less |
Per wheel | ||
Tolerances | ||
APU allowance | ||
Natural gas allowance | ||
Weight special limitations or restrictions | Farm vehicles, vehicles that are operated to transport forest products, and refuse or sanitation trucks that are operated by a city, county or state agency, or by a designated agent of the agency to transport refuse may operate up to 2,000 pounds in excess of any axle, bridge formula, or gross weight limit. This operation cannot be part of the federal-aid interstate system, or exceed a posted bridge weight or other seasonal or temporary weight limit posting. |
Farm vehicles, vehicles that are operated to transport forest products, and refuse or sanitation trucks that are operated by a city, county or state agency, or by a designated agent of the agency to transport refuse may operate up to 2,000 pounds in excess of any axle, bridge formula, or gross weight limit. This operation cannot be part of the federal-aid interstate system, or exceed a posted bridge weight or other seasonal or temporary weight limit posting.
FEDERAL BRIDGE FORMULA: The maximum weight of any vehicle or combination of vehicles and load may not exceed that which is determined by the following formula:
*Special Products Include: | Logs, pulpwood, stull, poles or piling; Ores, concentrates, sand & gravel, and aggregates thereof, in bulk; Unprocessed agricultural products, including livestock. |
Column A | Column B | Column A | Column B | |||
---|---|---|---|---|---|---|
Distance in feet between first and last axle of any group of consecutive axles | Vehicles with three or four axles | Vehicles with five or more axles | Distance in feet between first and last axle of any group of consecutive axles | Vehicles with three or four axles | Vehicles with five or more axles | |
Single Axle Weight | 20,000 | 20,000 | 28 | 66,000 | 70,950 | |
3 thru 12 | 37,800 | 37,800 | 29 | 66,000 | 71,500 | |
13 | 56,470 | 56,470 | 30 | 66,000 | 72,050 | |
14 | 57,940 | 57,940 | 31 | 72,600 | ||
15 | 59,400 | 59,400 | 32 | 73,150 | ||
16 | 60,610 | 60,610 | 33 | 73,700 | ||
17 | 61,820 | 61,820 | 34 | 74,250 | ||
18 | 63,140 | 63,140 | 35 | 74,800 | ||
19 | 64,350 | 64,350 | 36 | 75,350 | ||
20 | 65,450 | 65,450 | 37 | 75,900 | ||
21 | 66,000 | 66,330 | 38 | 76,450 | ||
22 | 66,000 | 67,250 | 39 | 77,000 | ||
23 | 66,000 | 67,880 | 40 | 77,550 | ||
24 | 66,000 | 68,510 | 41 | 78,100 | ||
25 | 66,000 | 69,150 | 42 | 78,650 | ||
26 | 66,000 | 69,770 | 43+ | 79,000 | ||
27 | 66,000 | 70,400 |
Distance in feet between first and last axle of any group of consecutive axles | Excess Weight Permits on Interstate Highways if Over 80,000 lbs | |||||||
---|---|---|---|---|---|---|---|---|
Column C 2 axles | Column D 3 axles | Column E 4 axles | Column F 5 axles | Column G 6 axles | Column H 7 axles | Column I 8 axles | Column J 9 axles | |
Single Axle Weight | 20,000 | 20,000 | 20,000 | 20,000 | 20,000 | 20,000 | 20,000 | 20,000 |
4 | 34,000 | |||||||
5 | 34,000 | |||||||
6 | 34,000 | |||||||
7 | 34,000 | |||||||
8 | 34,000 | |||||||
8+ | 38,000 | 42,000 | ||||||
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 | 74,000 | |||
25 | 54,500 | 58,500 | 63,500 | 69,000 | 74,500 | |||
26 | 55,500 | 59,500 | 64,000 | 69,500 | 75,000 | |||
27 | 56,000 | 60,000 | 65,000 | 70,000 | 75,500 | |||
28 | 57,000 | 60,500 | 65,500 | 71,000 | 76,500 | 82,000 | ||
29 | 57,500 | 61,500 | 66,000 | 71,500 | 77,000 | 82,500 | ||
30 | 58,500 | 62,000 | 66,500 | 72,000 | 77,500 | 83,000 | ||
31 | 59,000 | 62,500 | 67,500 | 72,500 | 78,000 | 83,500 | ||
32 | 60,000 | 63,500 | 68,000 | 73,000 | 78,500 | 84,500 | 90,000 | |
33 | 64,000 | 68,500 | 74,000 | 79,000 | 85,000 | 90,500 | ||
34 | 64,500 | 69,000 | 74,500 | 80,000 | 85,500 | 91,000 | ||
35 | 65,500 | 70,000 | 75,000 | 80,500 | 86,000 | 91,500 | ||
36 | 68,000 | 70,500 | 75,500 | 81,000 | 86,500 | 92,000 | ||
37 | 68,000 | 71,000 | 76,000 | 81,500 | 87,000 | 93,000 | ||
38 | [Note 1] | 68,000 | 71,500 | 77,000 | 82,000 | 87,500 | 93,500 | |
39 | 68,000 | 72,500 | 77,500 | 82,500 | 88,500 | 94,000 | ||
40 | 68,500 | 73,000 | 78,000 | 83,500 | 89,000 | 94,500 | ||
41 | 69,500 | 73,500 | 78,500 | 84,000 | 89,500 | 95,000 | ||
42 | 70,000 | 74,000 | 79,000 | 84,500 | 90,000 | 95,500 | ||
43 | 70,500 | 75,000 | 80,000 | 85,000 | 90,500 | 96,000 | ||
44 | 71,500 | 75,500 | 80,500 | 85,500 | 91,000 | 96,500 | ||
45 | 72,000 | 76,000 | 81,000 | 86,000 | 91,500 | 97,500 | ||
46 | 72,500 | 76,500 | 81,500 | 87,000 | 92,500 | 98,000 | ||
47 | 73,500 | 77,500 | 82,000 | 87,500 | 93,000 | 98,500 | ||
48 | 74,000 | 78,000 | 83,000 | 88,000 | 93,500 | 99,000 | ||
49 | 74,500 | 78,500 | 83,500 | 88,500 | 94,000 | 99,500 | ||
50 | 75,500 | 79,000 | 84,000 | 89,000 | 94,500 | 100,000 | ||
51 | 76,000 | 80,000 | 84,500 | 89,500 | 95,000 | 100,500 | ||
52 | 76,500 | 80,500 | 85,000 | 90,500 | 95,500 | 101,000 | ||
53 | 77,500 | 81,000 | 86,000 | 91,000 | 96,500 | 102,000 | ||
54 | 78,000 | 81,500 | 86,500 | 91,500 | 97,000 | 102,500 | ||
55 | 78,500 | 82,500 | 87,000 | 92,000 | 97,500 | 103,000 | ||
56 | 79,500 | 83,000 | 87,500 | 92,500 | 98,000 | 103,500 | ||
57 | [Note 2] | 80,000 | 83,500 | 88,000 | 93,000 | 98,500 | 104,000 | |
58 | 84,000 | 89,000 | 94,000 | 99,000 | 104,500 | |||
59 | 85,000 | 89,500 | 94,500 | 99,500 | 105,000 | |||
60 | 85,500 | 90,000 | 95,000 | 100,500 | 105,500 | |||
61 | 86,000 | 90,500 | 95,500 | 101,000 | 105,500 | |||
62 | 87,000 | 91,000 | 96,000 | 101,500 | 105,500 | |||
63 | 87,500 | 92,000 | 96,500 | 102,000 | 105,500 | |||
64 | 88,000 | 92,500 | 97,500 | 102,500 | 105,500 | |||
65 | 88,500 | 93,000 | 98,000 | 103,000 | 105,500 | |||
66 | 89,500 | 93,500 | 98,500 | 103,500 | 105,500 | |||
67 | 90,000 | 94,000 | 99,000 | 104,500 | 105,500 | |||
68 | 90,500 | 95,000 | 99,500 | 105,000 | 105,500 | |||
69 | 91,000 | 95,500 | 100,000 | 105,500 | 105,500 | |||
70 | 92,000 | 96,000 | 101,000 | 105,500 | 105,500 | |||
71 | 92,500 | 96,500 | 101,500 | 105,500 | 105,500 | |||
72 | 93,000 | 97,000 | 102,000 | 105,500 | 105,500 | |||
73 | 93,500 | 98,000 | 102,500 | 105,500 | 105,500 | |||
74 | 94,500 | 98,500 | 103,000 | 105,500 | 105,500 | |||
75 | 95,000 | 99,000 | 103,500 | 105,500 | 105,500 | |||
76 | 95,500 | 99,500 | 104,500 | 105,500 | 105,500 | |||
77 | 96,000 | 100,000 | 105,000 | 105,500 | 105,500 | |||
78 | 97,000 | 101,000 | 105,500 | 105,500 | 105,500 | |||
79 | 97,500 | 101,500 | 105,500 | 105,500 | 105,500 | |||
80 | 98,000 | 102,000 | 105,500 | 105,500 | 105,500 | |||
81 | 98,500 | 102,500 | 105,500 | 105,500 | 105,500 | |||
82 | 99,000 | 103,000 | 105,500 | 105,500 | 105,500 | |||
83 | 100,000 | 104,000 | 105,500 | 105,500 | 105,500 | |||
84 | 104,500 | 105,500 | 105,500 | 105,500 | ||||
85 | 105,000 | 105,500 | 105,500 | 105,500 | ||||
86 or more | 105,500 | 105,500 | 105,500 | 105,500 |
Note 1: |
|
Note 2: |
|
Column K | Column L | Column K | Column L | |||
---|---|---|---|---|---|---|
Distance in feet between first and last axle of any group of consecutive axles | Vehicles with Three or Four Axles | Vehicles with Five or more Axles | Distance in feet between first and last axle of any group of consecutive axles | Vehicles with Three or Four Axles | Vehicles with Five or more Axles | |
Single Axle Weight | 20,000 | 20,000 | 28 | 66,000 | 70,950 | |
3 thru 12 | 37,800 | 37,800 | 29 | 66,000 | 71,500 | |
13 | 56,470 | 56,470 | 30 | 66,000 | 72,050 | |
14 | 57,940 | 57,940 | 31 | 72,600 | ||
15 | 59,400 | 59,400 | 32 | 73,150 | ||
16 | 60,610 | 60,610 | 33 | 73,700 | ||
17 | 61,820 | 61,820 | 34 | 74,250 | ||
18 | 63,140 | 63,140 | 35 | 74,800 | ||
19 | 64,350 | 64,350 | 36 | 75,350 | ||
20 | 65,450 | 65,450 | 37 | 75,900 | ||
21 | 66,000 | 66,330 | 38 | 76,450 | ||
22 | 66,000 | 67,250 | 39 | 77,000 | ||
23 | 66,000 | 67,880 | 40 | 77,550 | ||
24 | 66,000 | 68,510 | 41 | 78,100 | ||
25 | 66,000 | 69,150 | 42 | 78,650 | ||
26 | 66,000 | 69,770 | 43+ | 80,000 | ||
27 | 66,000 | 70,400 |