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Bridge Weight Calculation Examples |
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37,800 lbs. is allowed for Bulk Materials not exceeding
79,000 lbs on Interstate routes or 80,000 lbs on non-Interstate routes. |
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Bridge Length and Axles will determine this allowable
weight. |
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To Calculate the Allowed Legal Weight for the steering axle, use 600 lbs per inch width of tire.
Example: 11 inch tires can legally carry 13,200 lbs.
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Bulk Materials include: |
Logs, pulpwood, stull, poles, or piling; |
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Ores, concentrates, sand & gravel, and aggregates thereof,
in bulk; |
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Unprocessed agricultural products, including livestock. |
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