The bridge length permit will allow a single unit truck with an axle group consisting of 4 or more axles the same weight on the state system as is allowed on the interstate system. The single unit straight truck must meet the following requirements.
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Single unit straight truck only
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Vehicle must have sufficient axles and bridge lengths for gross weight desired (Weight Limitations Chart)
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Gross vehicle weight cannot exceed 80,000 pounds.
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No axle shall exceed 19,000 pounds
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No tire shall exceed 550 pounds per inch of tire width.
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Vehicle must be registered for gross weight of vehicle and load.
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A vehicle equipped with more than 4 axles, additional axles shall be steerable, castering or pivoting axles.
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Bridge length permit cannot be used in conjunction with any other weight exemption permit.
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During spring thaw or when travel is on a highway with load limits, axle weights will be reduced.
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Single trip permit is $30 and valid for three days for a one-way trip.
Annual permit is $150 and is valid for a calendar year (expires 12/31/year).