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ORANGE OVERWEIGHT CHART


Maximum Allowable Weight Distribution for Annual Overweight
Permits on ORANGE coded routes of the Route Capacity Map.
Higher axle weight limits for tandem, tridem and quad axles may be allowed if the axle spacing’s are larger.
See chart on next page for axle spacing’s and the allowed weight.
This page in Printable Format


Single Axle
24,000
Tandem Axle
41,000
Tridem Axle
51,500


Tire
Width
Single Axle,
Single Tires
Tandem Axle,
Single Tires
8.25
13,200
26,400
9.00
14,400
28,800
10.00
16,000
32,000
11.00
17,600
35,200
12.00
19,200
38,400
13.00
20,800
41,000
14.00
22,400
41,000
15.00
24,000
41,000
16.00
24,000
41,000
17.00
24,000
41,000
18.00
24,000
41,000
19.00+
24,000
41,000

Maximum allowable weight is based on the distance in feet between the first and last axle of any group or groups of consecutive axles.

To find the weight allowed for the vehicle combination, use the number of axles and axle spacings from the number 2 axle to the last axle of the combination, add the weight for the steering axle (approximately 12,000 lbs) to this weight, to acquire the Total Gross Weight Allowed.

To find the weight allowed for self propelled vehicles, use the number of axles and axle spacings from the number 1 axle to the last axle of the combination. If axles have less than 4 tires per axle, see chart above for weights allowed.

Check the weight allowed for every internal group or groups of axles as well as total Gross Weight. At times the sum of the axle weights may be less than the Total Gross Weight Allowed. Must use most restrictive weights.

If the vehicle combination exceeds the weight allowed on any group or groups of axles, or Total Gross Weight Allowed by this chart and the route capacity map, the vehicle must operate on a single trip permit if approved.


Axle Space
in Feet
2
Axles
3
Axles
4
Axles
5
Axles
6
Axles
7
Axles
8
Axles
9
Axles
10
Axles
11
Axles
12
Axles

4
41,000










5
42,000










6
43,000










7
44,500










8
45,500
50,500









9
47,000
51,500









10
48,000
52,000









11
49,000
53,000









12
49,000
54,000
60,000








13
49,000
55,000
61,000








14
49,000
56,000
61,500








15
49,000
56,500
62,500








16
49,000
57,500
63,000
69,500







17
49,000
58,500
64,000
70,500







18
49,000
59,500
65,000
71,000







19
49,000
60,500
65,500
72,000







20
49,000
61,000
66,500
72,500
79,000






21
49,000
62,000
67,000
73,500
80,000






22
49,000
63,000
68,000
74,000
80,500






23
49,000
64,000
69,000
75,000
81,500






24
49,000
65,000
69,500
75,500
82,000
89,000





25
49,000
65,500
70,500
76,500
83,000
89,500





26
49,000
66,500
71,000
77,000
83,500
90,000





27
49,000
67,500
72,000
78,000
84,000
91,000





28
49,000
68,500
73,000
78,500
85,000
91,500
98,500




29
49,000
69,500
73,500
79,500
85,500
92,500
99,000




30
49,000
70,000
74,500
80,000
86,500
93,000
100,000




31
49,000
71,000
75,000
81,000
87,000
93,500
100,500




32
49,000
72,000
76,000
81,500
88,000
94,500
101,000
108,000



33
49,000
72,000
77,000
82,500
88,500
95,000
102,000
108,500



34
49,000
72,000
77,500
83,000
89,500
96,000
102,500
109,500



35
49,000
72,000
78,500
84,000
90,000
96,500
103,000
110,000



36
49,000
72,000
79,000
84,500
90,500
97,000
104,000
110,500
117,500


37
49,000
72,000
80,000
85,500
91,500
98,000
104,500
111,500
118,500


38
49,000
72,000
81,000
86,000
92,000
98,500
105,500
112,000
119,000


39
49,000
72,000
81,500
87,000
93,000
99,500
106,000
112,500
119,500


40
49,000
72,000
82,500
87,500
93,500
100,000
106,500
113,500
120,500
127,000

41
49,000
72,000
83,000
88,500
94,500
100,500
107,500
114,000
121,000
128,000

42
49,000
72,000
84,000
89,000
95,000
101,500
108,000
115,000
121,500
128,500

43
49,000
72,000
85,000
90,000
96,000
102,000
108,500
115,500
122,500
129,000

44
49,000
72,000
85,500
90,500
96,500
103,000
109,500
116,000
123,000
130,000
137,000
45
49,000
72,000
86,500
91,500
97,000
103,500
110,000
117,000
123,500
130,500
137,500
46
49,000
72,000
87,000
92,000
98,000
104,000
110,500
117,500
124,500
131,000
138,000
47
49,000
72,000
88,000
93,000
98,500
105,000
111,500
118,000
125,000
132,000
139,000
48
49,000
72,000
89,000
93,500
99,500
105,500
112,000
119,000
125,500
132,500
139,500
49
49,000
72,000
89,500
94,500
100,000
106,500
113,000
119,500
126,500
133,000
140,000
50
49,000
72,000
90,500
95,000
101,000
107,000
113,500
120,000
127,000
134,000
140,500
51
49,000
72,000
91,000
96,000
101,500
107,500
114,000
121,000
127,500
134,500
141,500
52
49,000
72,000
92,000
96,500
102,000
108,500
115,000
121,500
128,500
135,000
142,000
53
49,000
72,000
93,000
97,500
103,000
109,000
115,500
122,000
129,000
136,000
142,500
54
49,000
72,000
93,500
98,000
103,500
110,000
116,000
123,000
129,500
136,500
143,500
55
49,000
72,000
94,500
99,000
104,500
110,500
117,000
123,500
130,500
137,000
144,000
56
49,000
72,000
95,000
99,500
105,000
111,000
117,500
124,000
131,000
138,000
144,500
57
49,000
72,000
96,000
100,500
106,000
112,000
118,500
125,000
131,500
138,500
145,500
58
49,000
72,000
96,000
101,000
106,500
112,500
119,000
125,500
132,500
139,000
146,000
59
49,000
72,000
96,000
102,000
107,500
113,500
119,500
126,000
133,000
139,500
146,500
60
49,000
72,000
96,000
102,500
108,000
114,000
120,500
127,000
133,500
140,500
147,500
61
49,000
72,000
96,000
103,500
108,500
114,500
121,000
127,500
134,500
141,000
148,000
62
49,000
72,000
96,000
104,000
109,500
115,500
121,500
128,500
135,000
141,500
148,500
63
49,000
72,000
96,000
105,000
110,000
116,000
122,500
129,000
135,500
142,500
149,000
64
49,000
72,000
96,000
105,500
111,000
117,000
123,000
129,500
136,500
143,000
150,000
65
49,000
72,000
96,000
106,500
111,500
117,500
124,000
130,500
137,000
143,500
150,500
66
49,000
72,000
96,000
107,000
112,500
118,000
124,500
131,000
137,500
144,500
151,000
67
49,000
72,000
96,000
108,000
113,000
119,000
125,000
131,500
138,500
145,000
152,000
68
49,000
72,000
96,000
108,500
114,000
119,500
126,000
132,500
139,000
145,500
152,500
69
49,000
72,000
96,000
109,500
114,500
120,500
126,500
133,000
139,500
146,500
153,000
70
49,000
72,000
96,000
110,000
115,000
121,000
127,000
133,500
140,500
147,000
154,000
71
49,000
72,000
96,000
111,000
116,000
121,500
128,000
134,500
141,000
147,500
154,500
72
49,000
72,000
96,000
111,500
116,500
122,500
128,500
135,000
141,500
148,500
155,000
73
49,000
72,000
96,000
112,500
117,500
123,000
129,500
135,500
142,500
149,000
156,000
74
49,000
72,000
96,000
113,000
118,000
124,000
130,000
136,500
143,000
149,500
156,500
75
49,000
72,000
96,000
114,000
119,000
124,500
130,500
137,000
143,500
150,500
157,000
76
49,000
72,000
96,000
114,500
119,500
125,000
131,500
137,500
144,500
151,000
157,500
77
49,000
72,000
96,000
115,500
120,000
126,000
132,000
138,500
145,000
151,500
158,500
78
49,000
72,000
96,000
116,000
121,000
126,500
132,500
139,000
145,500
152,500
159,000
79
49,000
72,000
96,000
117,000
121,500
127,500
133,500
139,500
146,500
153,000
159,500
80
49,000
72,000
96,000
117,500
122,500
128,000
134,000
140,500
147,000
153,500
160,500
81
49,000
72,000
96,000
118,500
123,000
128,500
134,500
141,000
147,500
154,500
161,000
82
49,000
72,000
96,000
119,000
124,000
129,500
135,500
142,000
148,500
155,000
161,500
83
49,000
72,000
96,000
120,000
124,500
130,000
136,000
142,500
149,000
155,500
162,500
84
49,000
72,000
96,000
120,000
125,500
131,000
137,000
143,000
149,500
156,000
163,000
85
49,000
72,000
96,000
120,000
126,000
131,500
137,500
144,000
150,500
157,000
163,500
86
49,000
72,000
96,000
120,000
126,500
132,000
138,000
144,500
151,000
157,500
164,500
87
49,000
72,000
96,000
120,000
127,500
133,000
139,000
145,000
151,500
158,000
165,000
88
49,000
72,000
96,000
120,000
128,000
133,500
139,500
146,000
152,500
159,000
165,500
89
49,000
72,000
96,000
120,000
129,000
134,500
140,000
146,500
153,000
159,500
166,500
90
49,000
72,000
96,000
120,000
129,500
135,000
141,000
147,000
153,500
160,000
167,000
91
49,000
72,000
96,000
120,000
130,500
135,500
141,500
148,000
154,500
161,000
167,500
92
49,000
72,000
96,000
120,000
131,000
136,500
142,500
148,500
155,000
161,500
168,000
93
49,000
72,000
96,000
120,000
132,000
137,000
143,000
149,000
155,500
162,000
169,000
94
49,000
72,000
96,000
120,000
132,500
138,000
143,500
150,000
156,500
163,000
169,500
95
49,000
72,000
96,000
120,000
133,000
138,500
144,500
150,500
157,000
163,500
170,000
96
49,000
72,000
96,000
120,000
134,000
139,000
145,000
151,000
157,500
164,000
171,000
97
49,000
72,000
96,000
120,000
134,500
140,000
145,500
152,000
158,500
165,000
171,500
98
49,000
72,000
96,000
120,000
135,500
140,500
146,500
152,500
159,000
165,500
172,000
99
49,000
72,000
96,000
120,000
136,000
141,500
147,000
153,000
159,500
166,000
173,000
100
49,000
72,000
96,000
120,000
137,000
142,000
148,000
154,000
160,500
167,000
173,500
101
49,000
72,000
96,000
120,000
137,500
142,500
148,500
154,500
161,000
167,500
174,000
102
49,000
72,000
96,000
120,000
138,000
143,500
149,000
155,500
161,500
168,000
175,000
103
49,000
72,000
96,000
120,000
139,000
144,000
150,000
156,000
162,500
169,000
175,500
104
49,000
72,000
96,000
120,000
139,500
145,000
150,500
156,500
163,000
169,500
176,000
105
49,000
72,000
96,000
120,000
140,500
145,500
151,000
157,500
163,500
170,000
176,500
Page Last Modified: 12/16/2013 2:24:17 PM

Division of Motor Vehicles / Commercial Vehicle Services
Ports of Entry- (208) 334-8688
Motor Carrier- (208) 334-8611
Overlegal Permits- (208) 334-8420
or 1-800-662-7133

CVS@itd.idaho.gov

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Idaho Transportation Department
3311 W. State Street ยท P.O. Box 7129
Boise, ID 83707-1129