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No person shall operate or move any vehicle or combination of vehicles, including any load, which imposes tire loads upon the surface of a public street, highway, alley, bridge or structure in excess of the following:
(a) In vehicles having metal tires:
(1) Three inches or less in width, a load of 550 pounds for each inch of the total width of tire on all wheels;
(2) Greater than three inches in width, an additional load of 800 pounds shall be permitted for each inch by which the total width of the tires on all wheels exceeds twelve inches.
(b) In vehicles having tires of rubber or other similar substances, for each inch of the total width of tires on all wheels, as follows:
(1) For tires three inches in width, a load of 450 pounds;
(2) For tires three and one-half inches in width, a load of 450 pounds;
(3) For tires four inches in width, a load of 500 pounds;
(4) For tires five inches in width, a load of 600 pounds;
(5) For tires six inches and over in width, a load of 650 pounds.
The total width of tires on all wheels shall be, in case of solid tires of rubber or other similar substance, the actual width in inches of all such tires between the flanges at the base of the tires, but in no event shall that portion of the tire coming in contact with the road surface be less than two-thirds the width so measured between the flanges.
In the case of pneumatic tires, of rubber or other similar substance, the total width of tires on all wheels shall be the actual width of all such tires, measured at the widest portion thereof when inflated and not bearing a load.
In no event shall the load, including the proportionate weight of vehicle that can be concentrated on any wheel, exceed 650 pounds to each inch in width of the tread as defined in this section for solid tires, or each inch in the actual diameter of pneumatic tires measured when inflated and not bearing a load.
(ORC 5577.03)
(a) For pneumatic tired vehicles.
(1) The maximum wheel load of any one wheel of any vehicle, trackless trolley, load, object or structure operated or moved upon improved public highways, streets, bridges or culverts shall not exceed 650 pounds per inch width of pneumatic tire, measured as prescribed by Section 339.03 and by Ohio R. C. 5577.03.
(2) The weight of vehicle and load imposed upon the road surface by vehicles with pneumatic tires shall not exceed any of the following weight limitations:
A. On any one axle, 20,000 pounds;
B. On any tandem axle, 34,000 pounds;
C. On any two or more consecutive axles, the maximum weight as determined by application of the formula provided in subsection (a)(4) hereof.
(3) The maximum overall gross weight of vehicle and load imposed upon the road surface shall not exceed 80,000 pounds.
(4) For purposes of subsection (a)(2)C hereof, the maximum gross weight on any two or more consecutive axles shall be determined by application of the following formula:
W = 500 ([LN/N-1] + 12N + 36)
In this formula, W equals the overall gross weight on any group of two or more consecutive axles to the nearest 500 pounds, L equals the distance in feet between the extreme of any group of two or more consecutive axles, and N equals the number of axles in the group under consideration. However, two consecutive sets of tandem axles may carry a gross load of 34,000 pounds each, provided the overall distances between the first and last axles of such consecutive sets of tandem axles is thirty-six feet or more.
(5) Notwithstanding any other provision of law, when a vehicle is towing another vehicle, such drawbar or other connection shall be of a length such as will limit the spacing between nearest axles of the respective vehicles to a distance not in excess of twelve feet and six inches.
(6) As used in this section, "tandem axle" means two consecutive axles whose centers may be included between parallel transverse vertical planes spaced more than forty inches but not more than ninety-six inches apart, extending across the full width of the vehicle.
(b) For solid-tired vehicles.
(1) No vehicle, trackless trolley, load, object or structure having a maximum axle load greater than 16,000 pounds when such vehicle is equipped with solid rubber tires shall be operated or moved upon improved public highways, streets, bridges or culverts. The maximum wheel load of any one wheel of any such vehicle shall not exceed 650 pounds per inch width of tire, measured as prescribed by Section 339.03 and by Ohio R. C. 5577.03, nor shall any solid tire of rubber or other resilient material, on any wheel of any such vehicle, be less than one inch thick when measured from the top of the flanges of the tire channel.
(2) The weight of vehicle and load imposed upon the road surface by any two successive axles, spaced four feet or less apart, shall not exceed 19,000 pounds for solid tires, or by any two successive axles spaced more than four feet but less than eight feet apart shall not exceed 24,000 pounds for solid tires; or by any two successive axles, spaced eight feet or more apart, shall not exceed 28,000 pounds for solid tires; nor shall the total weight of vehicle and load exceed, for solid rubber tires, 28,000 pounds plus an additional 600 pounds for each foot or fraction thereof of spacing between the front axle and the rearmost axle of the vehicle; nor shall the weight of vehicle and load imposed upon the road surface by any vehicle equipped with solid rubber tires, exceed eighty percent (80%) of the permissible weight of vehicle and load as provided for pneumatic tires.
(3) Notwithstanding any other provision of law, when a vehicle is towing another vehicle, such drawbar or other connection shall be of a length such as will limit the spacing between the nearest axles of the respective vehicles to a distance not in excess of twelve feet six inches.
(Ord. 20-93. Passed 1-12-93.)
Whenever the Ohio Director of Transportation has established an altered weight limit upon any State route or part thereof as prescribed in Ohio R.C. 4513.33 and whenever appropriate signs are posted giving notice thereof, no person shall operate or move any vehicle or combination of vehicles upon such State route or part thereof in excess of such weight limits.
(a) The Commissioner of Streets, Bridges and Harbor shall determine upon the basis of an engineering investigation the safe carrying capacity of the bridges and structures on streets and highways under his jurisdiction. Upon receipt of a written request from the Commissioner for the establishment of a load limit on a bridge or structure for which the safe carrying capacity is less than the loads prescribed in Section 339.05, the Commissioner of Transportation shall establish a regulation therefor and shall cause an appropriate sign giving notice thereof to be conspicuously posted near each end of such bridge or structure.
(b) No person shall operate or move upon any bridge or structure with a load limit established as provided in subsection (a) hereof any vehicle or combination of vehicles, including any load, which imposes upon such bridge or structure a total weight in excess of the posted load limit.
(A.O.; Ord. 104-94. Passed 3-14-94.)
Any police officer having reason to believe that the weight of a vehicle and its load is unlawful may require the driver of such vehicle to stop and submit to a weighing of it by means of a compact, self-contained, portable, sealed scale especially adapted to determining the wheel loads of vehicles on highways; a sealed scale permanently installed in a fixed location, having a load-receiving element specially adapted to determining the wheel loads of highway vehicles; a sealed scale permanently installed in a fixed location, having a load-receiving element specially adapted to determining the combined load of all wheels on a single axle or on successive axles of a highway vehicle; or a sealed scale adapted to weighing highway vehicles, loaded or unloaded. The driver of such vehicle shall, if necessary, be directed to proceed to the nearest available of such sealed scales to accomplish the weighing, provided such scales are within three miles of the point where such vehicle is stopped. Any vehicle stopped in accordance with this section may be held by the police officer for a reasonable time only to accomplish the weighing as prescribed by this section. All scales used in determining the lawful weight of a vehicle and its load shall be annually compared by a Municipal, county or State sealer with the State standards or standards approved by the State and such scales shall not be sealed if they do not conform to the State standards or standards approved by the State.
At each end of a permanently installed scale there shall be a straight approach in the same plane as the platform, of sufficient length and width to insure the level positioning of vehicles during weight determinations.
During determination of weight by compact, self-contained, portable, sealed scales, specially adapted to determining the wheel loads of vehicles on highways, they shall always be used on terrain of sufficient length and width to accommodate the entire vehicle being weighed. Such terrain shall be level, or if not level, it shall be of such elevation that the difference in elevation between the wheels on any one axle does not exceed two inches and the difference in elevation between axles being weighed does not exceed one-fourth inch per foot of the distance between such axles.
In all determination of all weights, except gross weight, by compact, self-contained, portable, sealed scales, specially adapted to determining the wheel loads of vehicles on highways, all successive axles, twelve feet or less apart, shall be weighed simultaneously by placing one such scale under the outside wheel of each such axle. In determinations of gross weight by the use of compact, self contained, portable, sealed scales, specially adapted to determining the wheel loads of vehicles on highways, all axles shall be weighed simultaneously by placing one such scale under the outside wheel of each axle.
Whenever such officer upon weighing a vehicle and load determines that the weight is unlawful, he may require the driver to stop the vehicle in a suitable place and remain standing until such portion of the load is removed as is necessary to reduce the weight of such vehicle to the limit permitted under Sections 339.01 to 339.07.
(ORC 4513.33)
Whenever a vehicle weight limit has been established on any public street, highway or alley as provided in Traffic Schedule III, no person shall operate or move any vehicle or combination of vehicles upon any such street, highway, or alley weighing in excess of such vehicle weight limit, except to:
(a) Deliver or pick up merchandise or material on such street, highway or alley provided that such operation is not in violation of any other provision of this chapter and provided otherwise that a route of shortest or safest possible distance is traveled on a roadway or roadways with established vehicle weight limits. The safest route shall be determined by the Commissioner of Transportation.
(b) Board or discharge bus passengers on such street, highway or alley provided that such operation is not in violation of any other provision of this chapter.
(Ord. 652-94. Passed 11-15-94.)
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