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PAG LIN
20 HOUSE FILE 416
30
50 AN ACT
70 RELATING TO REGULATION OF TRUCKS AND CERTAIN OTHER LARGE MOTOR
80 VEHICLES, INCLUDING MAXIMUM VEHICLE WEIGHTS, DEFINING TERMS,
90 PROVIDING EFFECTIVE DATES, AND MAKING PENALTIES APPLICABLE.
100
110 BE IT ENACTED BY THE GENERAL ASSEMBLY OF THE STATE OF IOWA:
120
140 Section 1. Section 321.1, Code 1997, is amended by adding
150 the following new subsections:
160 NEW SUBSECTION. 15A. "Crane" means a machine for raising,
170 shifting, and lowering heavy weights by means of a projecting
180 swinging arm.
190 NEW SUBSECTION. 63A. "Retractable axle" means an axle
200 designed with the capability of manipulation or adjustment of
210 the weight on the axle.
220 Sec. 2. Section 321.440, subsection 7, Code 1997, is
230 amended to read as follows:
240 7. Been regrooved or recut below the original tread design
250 depth, excepting special tires which have extra under tread
260 rubber and are identified as such, or if a pneumatic tire was
270 originally designed without grooves or tread, the safety
280 standards therefor shall be established by the director.
290 Sec. 3. Section 321.440, Code 1997, is amended by adding
300 the following new unnumbered paragraph after subsection 7:
310 NEW UNNUMBERED PARAGRAPH. A vehicle, except an implement
320 of husbandry, equipped with either solid rubber or pneumatic
330 tires shall not be operated where the weight per inch of tire
340 width is greater than five hundred seventy-five pounds per
350 inch of tire width based on the tire width rating, except on a
360 steering axle, in which case six hundred pounds per inch of
370 tire width is permitted based on the tire width rating.
380 Sec. 4. Section 321.456, Code 1997, is amended to read as
390 follows:
400 321.456 HEIGHT OF VEHICLES – PERMITS – EXEMPTION.
410 A vehicle unladen or with load shall not exceed a height of
420 thirteen feet, six inches, except by permit as provided in
430 this section. However, a vehicle or combination of vehicles
440 coupled together used exclusively for the transportation of
450 passenger vehicles, light delivery trucks, panel delivery
460 trucks, pickup trucks, or recreational vehicle chassis may
470 operate without a permit provided that the height of the
480 vehicle or vehicles coupled together does not exceed fourteen
490 feet. This section shall not be construed to require any
500 railroad or public authorities to provide sufficient vertical
510 clearance to permit the operation of such vehicle upon the
520 highways of this state. Any damage to highways, highway or
530 railroad structures or underpasses caused by the height of any
540 vehicle provided for by this section shall be borne by the
550 operator or owner of the vehicle. Vehicles unladen or with
560 load exceeding a height of thirteen feet, six inches but not
570 exceeding fourteen feet may be operated with a permit issued
580 by the department or jurisdictional local authorities. The
590 permits shall be issued annually for a fee of twenty-five
600 dollars and subject to rules adopted by the department. The
610 state or a political subdivision shall not be liable for
620 damage to any vehicle or its cargo if changes in vertical
630 clearance of a structure are made subsequent to the issuance
640 of a permit during the term of the permit.
650 Sec. 5. Section 321.463, Code 1997, is amended to read as
660 follows:
670 321.463 MAXIMUM GROSS WEIGHT – EXCEPTIONS – PENALTIES.
680 1. An axle may be divided into two or more parts, except
690 that all parts in the same vertical transverse plane shall be
700 considered as one axle.
710 2. The gross weight on any one axle of a vehicle, or of a
720 combination of vehicles, operated on the highways of this
730 state, shall not exceed twenty thousand pounds on an axle
740 equipped with pneumatic tires, and shall not exceed fourteen
750 thousand pounds on an axle equipped with solid rubber tires.
760 The gross weight on any tandem axle of a vehicle, or any
770 combination of vehicles, shall not exceed thirty-four thousand
780 pounds on an axle equipped with pneumatic tires. This
790 subsection does not apply to implements of husbandry.
800 3. Notwithstanding other provisions of this chapter to the
810 contrary, indivisible loads operating under the permit
820 requirements of sections 321E.7, 321E.8, and 321E.9 shall be
830 allowed a maximum of twenty thousand pounds per axle.
840 A group of two or more consecutive axles of any vehicle or
850 combination of vehicles, shall not carry a load in pounds in
860 excess of the overall gross weight determined by application
870 of the following formula: W equals 500 (LN/N-1 + 12N + 36). W
880 equals the overall gross weight on any group of two or more
890 consecutive axles to the nearest five hundred pounds, L equals
900 the distance in feet, rounded to the nearest whole foot,
910 between the extreme of any group of two or more consecutive
920 axles, and N equals the number of axles in the group under
930 consideration. The following are exceptions to application of
940 the formula:
950 1. Two consecutive sets of tandem axles may carry a gross
960 load of thirty-four thousand pounds each providing the overall
970 distance between the first and last axles of the consecutive
980 sets of tandem axles is thirty-six feet or more.
990 2. On highways not part of the interstate system, a
1000 vehicle or combination of vehicles having:
1010 a. Four axles where the extreme axles are eighteen feet
1020 apart may carry a gross load of fifty-three thousand pounds.
1030 b. Five axles where the extreme axles are thirty-two feet
1040 apart may carry a gross load of sixty-seven thousand five
1050 hundred pounds.
1060 c. Six or more axles where the extreme axles are forty-one
1070 feet apart may carry a gross load of seventy-eight thousand
1080 pounds.
1090 For every foot of distance between extreme axles less than the
1110 above axle spacings, the overall gross weight of the vehicle
1120 or combination of vehicles shall be determined by deducting
1130 one thousand pounds from the gross loads specified in
1140 paragraphs "a", "b" and "c". All measurements between extreme
1150 axles shall be rounded to the nearest whole foot.
1160 The maximum gross weight shall not exceed eighty thousand
1170 pounds.
1180 4. a. The maximum gross weight allowed to be carried on a
1190 vehicle or combination of vehicles on highways which are part
1200 of the interstate system is as follows:
1220 MAXIMUM GROSS WEIGHT TABLE
1230 INTERSTATE HIGHWAYS
1250 Distance
1260 in feet 2 Axles 3 Axles 4 Axles 5 Axles 6 Axles 7 Axles
1270 4 34,000
1280 5 34,000
1290 6 34,000
1300 7 34,000 34,000
1310 8 34,000 34,000
1320 8'1" 38,000 42,000
1330 9 39,000 42,500
1340 10 40,000 43,500 48,500
1350 11 44,000 49,500
1360 12 45,000 50,000
1370 13 45,500 50,500 56,000
1380 14 46,500 51,500 57,000
1390 15 47,000 52,000 57,500
1400 16 48,000 52,500 58,000
1410 17 48,500 53,500 58,500 64,000
1420 18 49,500 54,000 59,000 65,000
1430 19 50,000 54,500 60,000 65,500
1440 20 51,000 55,500 60,500 66,000 71,500
1450 21 51,500 56,000 61,000 66,500 72,500
1460 22 52,500 56,500 61,500 67,000 73,000
1470 23 53,000 57,500 62,500 68,000 73,500
1480 24 54,000 58,000 63,000 68,500 74,000
1490 25 54,500 58,500 63,500 69,000 74,500
1500 26 55,500 59,500 64,000 69,500 75,000
1510 27 56,000 60,000 65,000 70,000 76,000
1520 28 57,000 60,500 65,500 71,000 76,500
1530 29 57,500 61,500 66,000 71,500 77,000
1540 30 58,500 62,000 66,500 72,000 77,500
1550 31 59,000 62,500 67,500 72,500 78,000
1560 32 60,000 63,500 68,000 73,000 78,500
1570 33 64,000 68,500 74,000 79,500
1580 34 64,500 69,500 74,500 80,000
1590 35 65,500 70,000 75,000
1600 36 68,000 70,500 75,500
1610 37 68,000 71,000 76,000
1620 38 68,000 72,000 77,000
1630 39 68,000 72,500 77,500
1640 40 68,500 73,000 78,000
1650 41 69,500 73,500 78,500
1660 42 70,000 74,000 79,000
1670 43 70,500 75,000 80,000
1680 44 71,500 75,500
1690 45 72,000 76,000
1700 46 72,500 76,500
1710 47 73,500 77,500
1720 48 74,000 78,000
1730 49 74,500 78,500
1740 50 75,500 79,000
1750 51 76,000 80,000
1760 52 76,500
1770 53 77,500
1780 54 78,000
1790 55 78,500
1800 56 79,500
1810 57 80,000
1830 b. The maximum gross weight allowed to be carried on a
1840 vehicle or combination of vehicles on noninterstate highways
1850 is as follows:
1870 NONINTERSTATE HIGHWAYS
1880 MAXIMUM GROSS WEIGHT TABLE
1900 Distance
1910 in feet 2 Axles 3 Axles 4 Axles 5 Axles 6 Axles 7 Axles
1920 4 34,000
1930 5 34,000
1940 6 34,000
1950 7 34,000 34,000
1960 8 34,000 34,000
1970 8'1" 38,000 42,000
1980 9 39,000 42,500
1990 10 40,000 43,500 45,000
2000 11 44,000 46,000
2010 12 45,000 47,000
2020 13 45,500 48,000 48,500
2030 14 46,500 49,000 49,500
2040 15 47,000 50,000 50,500
2050 16 48,000 51,000 51,500
2060 17 48,500 52,000 52,500 54,000
2070 18 49,500 53,000 53,500 55,000
2080 19 50,000 54,500 54,500 56,000
2090 20 51,000 55,500 55,500 57,000
2100 21 51,500 56,000 56,500 58,000
2110 22 52,500 56,500 57,500 59,000
2120 23 53,000 57,500 58,500 60,000
2130 24 54,000 58,000 59,500 61,000
2140 25 54,500 58,500 60,500 62,000
2150 26 55,500 59,500 61,500 63,000
2160 27 56,000 60,000 62,500 64,000
2170 28 57,000 60,500 63,500 65,000
2180 29 57,500 61,500 64,500 66,000
2190 30 58,500 62,000 65,500 67,000
2200 31 59,000 62,500 66,500 68,000
2210 32 60,000 63,500 67,500 69,000
2220 33 64,000 68,500 70,000
2230 34 64,500 69,500 71,000
2240 35 65,500 70,000 72,000
2250 36 68,000 70,500 73,000
2260 37 68,000 71,000 74,000
2270 38 68,000 72,000 75,000
2280 39 68,000 72,500 76,000
2290 40 68,500 73,000 77,000
2300 41 69,500 73,500 78,000 78,000
2310 42 70,000 74,000 79,000 79,000
2320 43 70,500 75,000 80,000 80,000
2330 44 71,500 75,500
2340 45 72,000 76,000
2350 46 72,500 76,500
2360 47 73,500 77,500
2370 48 74,000 78,000
2380 49 74,500 78,500
2390 50 75,500 79,000
2400 51 76,000 80,000
2410 52 76,500
2420 53 77,500
2430 54 78,000
2440 55 78,500
2450 56 79,500
2460 57 80,000
2480 c. The maximum gross weight allowed to be carried on a
2490 livestock or construction vehicle on noninterstate highways is
2500 as follows:
2520 NONINTERSTATE HIGHWAYS
2530 MAXIMUM GROSS WEIGHT TABLE
2540 LIVESTOCK OR CONSTRUCTION VEHICLE
2550 Distance
2560 in feet 6 Axles 7 Axles
2570 44 80,500 80,500
2580 45 81,000 81,500
2590 46 81,500 82,500
2600 47 82,000 83,500
2610 48 83,000 84,000
2620 49 83,500 85,000
2630 50 84,000 86,000
2640 51 84,500 87,000
2650 52 85,000 88,000
2660 53 86,000 88,500
2670 54 86,500 89,500
2680 55 87,000 90,500
2690 56 87,500 91,500
2700 57 88,000 92,000
2710 58 89,000 93,000
2720 59 89,500 94,000
2730 60 90,000 95,000
2740 61 95,500
2750 62 96,000
2770 5. The weight on any one axle, including a tandem axle, of
2780 a vehicle which is transporting livestock on highways not part
2790 of the interstate system may exceed the legal maximum weight
2800 given in this chapter providing that the gross weight on any
2810 particular group of axles on such vehicle does not exceed the
2820 gross weight allowable under this chapter for such groups of
2830 axles.
2840 6. In addition, the weight on any one axle, including a
2850 tandem axle, of a vehicle which is transporting raw materials
2860 from a designated borrow site to a construction project or
2870 transporting raw materials from a construction project, may
2880 exceed the legal maximum weight otherwise allowed under this
2890 chapter by ten percent if the gross weight on any particular
2900 group of axles on the vehicle does not exceed the gross weight
2910 allowed under this chapter for that group of axles. However,
2920 if the vehicle exceeds the ten percent tolerance allowed for
2930 any one axle or tandem axle under this paragraph the fine to
2940 be assessed for the axle or tandem axle shall be computed on
2950 the difference between the actual weight and the ten percent
2960 tolerance weight allowed for the axle or tandem axle under
2970 this paragraph. This paragraph applies only to vehicles
2980 operating along a route of travel approved by the department.
2990 7. A vehicle or combination of vehicles transporting
3000 materials to or from a construction project or commercial
3010 plant site shall comply with the formula under this section
3020 which is used for travel on highways that are part of the
3030 interstate system. This paragraph applies only to a vehicle
3040 or combination of vehicles operating along a route of travel
3050 approved by the department or appropriate local authority
3060 shall comply with subsection 4, paragraph "a".
3070 8. A vehicle designed to tow wrecked or disabled vehicles
3080 shall be exempt from the weight limitations in this section
3090 while the vehicle is towing a wrecked or disabled vehicle.
3100 9. a. A person who operates a vehicle in violation of the
3110 provisions of this section, and an owner, or any other person,
3120 employing or otherwise directing the operator of a vehicle,
3130 who requires or knowingly permits the operation of a vehicle
3140 in violation of the provisions of this section shall be fined
3150 according to the following schedule:
3170 AXLE, TANDEM AXLE,
3180 AND GROUP OF AXLES
3190 WEIGHT VIOLATIONS
3210 Pounds Overloaded Amount of Fine
3220 Up to and including $10 plus one-half cent
3230 1,000 pounds per pound
3240 Over 1,000 pounds to and $15 plus one-half cent
3250 including 2,000 pounds per pound
3260 Over 2,000 pounds to and $80 plus three cents
3270 including 3,000 pounds per pound
3280 Over 3,000 pounds to and $100 plus four cents
3290 including 4,000 pounds per pound
3300 Over 4,000 pounds to and $150 plus five cents
3310 including 5,000 pounds per pound
3320 Over 5,000 pounds to and $200 plus seven cents
3330 including 6,000 pounds per pound
3340 Over 6,000 pounds $200 plus ten cents
3350 per pound
3370 b. Fines for gross weight violations for vehicles or
3380 combinations of vehicles shall be assessed at one-half of the
3390 fine rate schedule for axle, tandem axle, and groups of axles
3400 weight violations.
3410 c. Except as otherwise provided, the amount of the fine to
3420 be assessed shall be computed on the difference between the
3430 actual weight and the maximum legal weight specified in this
3440 section by applying the appropriate rate in the preceding
3450 schedule for the total amount of overload.
3460 d. The schedule of fines may be assessed in addition to
3470 any other penalties provided for in this chapter.
3480 10. Overloads on axles and tandem axles and overloads on
3490 groups of axles or on an entire vehicle or combination of
3500 vehicles shall be considered as separate violations of the
3510 provisions of this section.
3520 11. A person who issues or executes, or causes to be
3530 issued or executed, a bill of lading, manifest, or shipping
3540 document of any kind which states a false weight of the cargo
3550 set forth on such bill, manifest, or document, which is less
3560 than the actual weight of the cargo, shall, upon conviction,
3570 be guilty of a simple misdemeanor.
3580 Sec. 6. NEW SECTION. 321.467 RETRACTABLE AXLES.
3590 A vehicle which is a model year 1999 or later vehicle shall
3600 not operate on a highway of this state with a retractable axle
3610 unless the weight on the retractable axle can only be adjusted
3620 by means of a manual device located on the vehicle that is not
3630 accessible to the operator of the vehicle during operation of
3640 the vehicle. However, the controls for raising and lowering
3650 the retractable axle may be accessible to the operator of the
3660 vehicle while the vehicle is in operation.
3670 Sec. 7. Section 321E.7, subsection 1, Code 1997, is
3680 amended to read as follows:
3690 1. The gross weight on any axle of any vehicle or
3700 combination of vehicles traveling under a permit issued in
3710 accordance with the provisions of this chapter shall not
3720 exceed the maximum axle load prescribed in section 321.463;
3730 except that, cranes being temporarily moved on streets, roads,
3740 or highways may have a gross weight of twenty-four thousand
3750 pounds on any single axle; and construction machinery being
3760 temporarily moved on streets, roads, or highways may have a
3770 gross weight of thirty-six thousand pounds on any single axle
3780 equipped with a minimum size twenty-six point five-inch by
3790 twenty-five-inch flotation pneumatic tires and a maximum gross
3800 weight of twenty thousand pounds on any single axle equipped
3810 with minimum size eighteen-inch by twenty-five-inch flotation
3820 pneumatic tires, with the department authorized to adopt rules
3830 to permit the use of tire sizes and weights within the minimum
3840 and maximum specifications provided in this section, provided
3850 that the total gross weight of the vehicle or a combination of
3860 vehicles does not exceed a maximum of one hundred twenty-six
3870 thousand pounds; and except that a manufacturer of machinery
3880 or equipment manufactured or assembled in Iowa may be granted
3890 a permit for the movement of such machinery or equipment
3900 mounted on pneumatic tires with axle loads exceeding the
3910 maximum axle load prescribed in section 321.463 for distances
3920 not to exceed twenty-five miles at a speed not greater than
3930 twenty miles per hour. The movement of such machinery or
3940 equipment shall be over a specified route between the place of
3950 assembly or manufacture and a storage area, shipping point,
3960 proving ground, experimental area, weighing station, or
3970 another manufacturing plant.
3980 Sec. 8. Section 321E.8, Code 1997, is amended by adding
3990 the following new subsection:
4000 NEW SUBSECTION. 1A. Vehicles with indivisible loads
4010 having an overall width not to exceed twelve feet five inches
4020 or mobile homes, including appurtenances, having an overall
4030 width not to exceed twelve feet five inches and an overall
4040 length not to exceed one hundred feet zero inches may be moved
4050 on highways specified by the permitting authority for
4060 unlimited distances if the height of the vehicle and load does
4070 not exceed fourteen feet zero inches and the total gross
4080 weight of the vehicle does not exceed one hundred thirty-six
4090 thousand pounds. The vehicle owner or operator shall verify
4100 with the permitting authority prior to movement of the load
4110 that highway conditions have not changed so as to prohibit
4120 movement of the vehicle. Any cost to repair damage to
4130 highways or highway structures shall be borne by the owner or
4140 operator of the vehicle causing the damage. Permitted
4150 vehicles under this subsection shall not be allowed to travel
4160 on any portion of the interstate highway system.
4170 Sec. 9. Section 321E.9, Code 1997, is amended by adding
4180 the following new subsection:
4190 NEW SUBSECTION. 4. Cranes, exceeding the maximum gross
4200 weight on any axle as prescribed in section 321.463, but not
4210 exceeding twenty-four thousand pounds, may be moved in
4220 accordance with rules adopted pursuant to chapter 17A.
4230 Sec. 10. Section 321E.9A, subsection 1, Code 1997, is
4240 amended to read as follows:
4250 1. Vehicles with indivisible loads having an overall
4260 length not to exceed one hundred twenty feet, an overall width
4270 not to exceed eleven sixteen feet, and an overall of any
4280 height not to exceed fourteen feet, four inches, may be moved
4290 on highways specified by the permitting authority, provided
4300 the gross weight on any one axle shall not exceed the maximum
4310 prescribed in section 321.463 and the total gross weight is
4320 not greater than one hundred fifty-six thousand pounds.
4330 Sec. 11. Section 321E.14, unnumbered paragraph 1, Code
4340 1997, is amended to read as follows:
4350 The department or local authorities issuing permits shall
4360 charge a fee of twenty-five dollars for an annual permit
4370 issued under section 321E.8, subsection 1, 2, or 3, a fee of
4380 one three hundred dollars for an annual permit issued under
4390 section 321E.8, subsection 1A, a fee of two hundred dollars
4400 for a multi-trip permit, and a fee of ten dollars for a
4410 single-trip permit, and shall determine charges for special
4420 permits issued pursuant to section 321E.29 by rules adopted
4430 pursuant to chapter 17A. Fees for the movement of buildings,
4440 parts of buildings, or unusual vehicles or loads may be
4450 increased to cover the costs of inspections by the issuing
4460 authority. A fee not to exceed two hundred fifty dollars per
4470 day or a prorated fraction of that fee per person and car for
4480 escort service may be charged when requested or when required
4490 under this chapter. Proration of escort fees between state
4500 and local authorities when more than one governmental
4510 authority provides or is required to provide escort for a
4520 movement during the period of a day shall be determined by
4530 rule under section 321E.15. The department and local
4540 authorities may charge a permit applicant for the cost of
4550 trimming trees and removal and replacement of natural
4560 obstructions or official signs and signals or other public or
4570 private property required to be removed during the movement of
4580 a vehicle and load. In addition to the fees provided in this
4590 section, the annual fee for a permit for special mobile
4600 equipment, as defined in section 321.1, subsection 75,
4610 operated pursuant to section 321E.7, subsection 2, with a
4620 combined gross weight up to and including eighty thousand
4630 pounds shall be twenty-five dollars and for a combined gross
4640 weight exceeding eighty thousand pounds, fifty dollars.
4650 Sec. 12. EFFECTIVE DATES.
4660 1. Section 3 of this Act takes effect July 1, 1999.
4670 2. The maximum gross vehicle weight provisions in section
4680 321.463, subsection 4, paragraph "c", take effect for vehicles
4690 operating on the primary road system on July 1, 1997, and take
4700 effect for vehicles operating on the urban and secondary road
4710 system on December 31, 1998. However, prior to December 31,
4720 1998, routes of travel on the urban and secondary system by
4730 vehicles weighing ninety-six thousand pounds may be approved
4740 by local authorities.
4760
4770
4780
4790 RON J. CORBETT
4800 Speaker of the House
4810
4820
4830
4840 MARY E. KRAMER
4850 President of the Senate
4860
4870 I hereby certify that this bill originated in the House and
4880 is known as House File 416, Seventy-seventh General Assembly.
4890
4900
4910
4920 ELIZABETH ISAACSON
4930 Chief Clerk of the House
4940 Approved , 1997
4950
4960
4970
4980 TERRY E. BRANSTAD
4990 Governor
Text: HF00415 Text: HF00417 Text: HF00400 - HF00499 Text: HF Index Bills and Amendments: General Index Bill History: General Index
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