Section 185.3. Groups of consecutive axles

Except as provided in § 185.4 (relating to six-axle combinations) no combination registered and having a gross weight in excess of 73,280 pounds shall be driven on a highway with a weight on any group of consecutive axles in excess of the applicable weight shown on the following table:

BRIDGE FORMULA TABLE
For Determining Maximum Axle Weights When Registered
and Gross Weight Exceed 73,280 Pounds

	Maximum load in pounds carried on any
Center-to-center distance in	group of 2 or more consecutive axles
feet between the first and
last axles of any group of 2
or more consecutive axles	2 axles	3 axles	4 axles	5 axles	6 axles	7 axles
4 …34,000
5 …35,000
6 …36,000			AXLE GROUPS IN
7 …37,000		THESE SPACINGS
8 38,000		42,000	IMPRACTICAL
9 …39,000		43,000
10 …40,000		43,500
11 …44,500
12 45,000			50,000
13 …46,000			50,500
14 …46,500			51,500
15 …47,500			52,000
16 48,000			52,500	58,000
17 …49,000			53,500	58,500
18 …49,500			54,000	59,500
19 …50,500			54,500	60,000
20 51,000			55,500	60,500	66,000
21 …52,000			56,000	61,000	66,500
22 …52,500			56,500	62,000	67,000
23 …53,500			57,500	62,500	68,000
24 54,000			58,000	63,000	68,500	74,000
25 …55,000			58,500	63,500	69,000	74,500
26 …55,500			59,500	64,500	69,500	75,000
27 …56,500			60,000	65,000	70,000	76,000
28 57,000			60,500	65,500	71,000	76,500
29 …58,000			61,500	66,000	71,500	77,000
30 …58,500			62,000	67,000	72,000	77,500
31 …59,500			62,500	67,500	72,500	78,000
32 60,000			63,500	68,000	73,000	78,500
33 …64,000				68,500	74,000	79,500
34 …64,500				69,500	74,500	80,000
35 …65,500				70,000	75,000
36 68,000				70,500	75,500
37 …68,000				71,000	76,000
38 …68,000				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				74,500	79,000
43 …70,500				75,000	80,000
44 71,500				75,500
45 …72,000				76,000
46 …77,000
47 …77,500
48 78,000
49 …78,500
50 …79,500
51 and over …80,000					80,000	80,000
All distances shall be measured longitudinally to the nearest foot.