...
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 | 65' | 65' |
Tractor-semitrailer combinations | No limit with legal trailer | No limit with legal trailer |
Semitrailer | 59' | 59' |
Tractor-twin-trailer combination | No limit with legal trailer | No limit with legal trailer |
Trailers of twin-trailer combinations | 28' 6" | 28' 6" |
Boat-transporter combination | ||
Overhang limitations | ||
Stinger-steered boat-transporter | ||
Overhang limitations | ||
Auto-transporter | No limit with trailer to 59' | NS |
Overhang limitations | ||
Stinger-steered auto-transporter | 80' | 80' |
Overhang limitations | 4' front, 6' rear | 4' front, 6' rear |
Saddlemount | 97' up to 3 | 97' up to 3 |
General overhang limitations | 3' front and 4' rear | 3' front and 4' rear |
Drawbar | 15' | 15' |
Dromedary | ||
Kingpin to rearaxle | ||
Length special limitations or restrictions | An automobile transporter that complies with the weight and size limitations for a truck-tractor and semitrailer combination may transport cargo or general freight on a backhaul. | |
Weight: | Interstate and Defense Highways | State and Other Supplemental Highways |
Steer axle | Tire rating | Tire rating |
Single axle | 20,000 | 20,000 |
Tandem axle | 34,000 | 34,000 |
Tridem axle | 42,000 | 42,000 |
Gross vehicle weight | 80,000 | 80,000 |
Load per inch width of tire | Tire rating | Tire rating |
Per wheel | ||
Tolerances | ||
APU allowance | 400 | 400 |
Natural gas allowance | 2,000 Includes battery powered | 2,000 Includes battery powered |
Weight special limitations or restrictions |
Bridge rules
This table provides a guide to determine the maximum weight permitted on any group of 2 or more consecutive axles. The table may be applied to inner axle groups such as the power unit only of a combination, the drive axle(s) of the power unit and the trailer(s), or the entire combination of axles from the steering axle of the power unit to the last trailing axle of the trailer.
The number in the left first column is the required minimum distance in feet between the extremes of any group of two (2) or more consecutive axles in relation to the corresponding weight shown in columns to the right. The computations are based upon the following formula but includes (as indicated - *) weights computed from a prior statutory formula covering vehicles that could have been lawfully operated on December 16, 1974.
W = maximum overall gross weight on the group
L = distance in feet between the axles of the group that are the farthest apart
N = number of axles in a group under consideration.
Distance in feet | 2 axles | 3 axles | 4 axles | 5 axles | 6 axles | 7 axles | |
---|---|---|---|---|---|---|---|
* These figures have been carried forward from the table contained in the old law based upon the provisions of Subsection (4), Article 6701d-11, Section 5, V.C.S., as amended by Senate Bill Number 89 of the 64th Legislature. Subsection four (4) as referenced, provides that axle configurations that were legal as of December 16, 1974, would continue to be legal and, further provides that those same configurations would not be denied the benefits of increased allowable weights. | |||||||
+ These figures only apply to an axle spacing greater than 8 feet but less than 9 feet. | |||||||
4 | 34,000 | ||||||
5 | 34,000 | ||||||
6 | 34,000 | ||||||
7 | 34,000 | ||||||
8 | 34,000 | 34,000 | |||||
8+ | 38,000 | 42,000 | |||||
9 | 39,000 | 42,500 | |||||
10 | 40,000 | 43,500 | |||||
11 | 44,500 | ||||||
12 | 45,000 | 50,000 | |||||
13 | 45,500 | 50,500 | |||||
14 | 46,500 | 51,500 | |||||
15 | 47,500 | 52,000 | |||||
16 | 48,000 | 52,500 | 58,000 | ||||
17 | 48,500 | 53,500 | 58,500 | ||||
18 | *49,900 | 54,000 | 59,000 | ||||
19 | *51,400 | 54,500 | 60,000 | ||||
20 | *52,800 | 55,500 | 60,500 | 66,000 | |||
21 | *54,000 | 56,000 | 61,000 | 66,500 | |||
22 | *54,000 | 56,500 | 61,500 | 67,000 | |||
23 | *54,000 | 57,500 | 62,500 | 68,000 | |||
24 | 54,000 | * | 58,700 | 63,000 | 68,500 | 74,000 | |
25 | 54,500 | 59,650 | 63,500 | 69,000 | 74,500 | ||
26 | 55,500 | 60,600 | 64,000 | 69,500 | 75,000 | ||
27 | 56,000 | 61,550 | 65,000 | 70,000 | 75,500 | ||
28 | 57,000 | 62,500 | 65,500 | 71,000 | 76,500 | ||
29 | 57,500 | 63,450 | 66,000 | 71,500 | 77,000 | ||
30 | 58,500 | 64,000 | 66,500 | 72,000 | 77,500 | ||
31 | 59,000 | 65,350 | 67,500 | 72,500 | 78,000 | ||
32 | 60,000 | 66,300 | 68,500 | 73,000 | 78,500 | ||
33 | 67,250 | 68,500 | 74,000 | 79,000 | |||
34 | 68,200 | 69,000 | 74,500 | 80,000 | |||
35 | 69,150 | 70,000 | 75,000 | ||||
36 | 70,100 | 70,500 | 75,500 | ||||
37 | 71,050 | *71,050 | 76,000 | ||||
38 | 72,000 | *72,000 | 77,000 | ||||
39 | 72,000 | 72,500 | 77,500 | ||||
40 | 72,000 | 73,000 | 78,000 | ||||
41 | 72,000 | 73,500 | 78,500 | ||||
42 | 72,000 | 74,000 | 79,000 | ||||
43 | 72,000 | 75,000 | 80,000 | ||||
44 | 72,000 | 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 | |||||
52 | 76,500 | ||||||
53 | 77,500 | ||||||
54 | 78,000 | ||||||
55 | 78,500 | ||||||
56 | 79,500 | ||||||
57 | 80,000 |