Practices for Permitting Superheavy Load Movements on Highway Pavements (2015) / Chapter Skim
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Pages 18-24
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19 chapter three SURVEY RESULTS The web-based survey was circulated to state officials dealing with the permitting of heavy trucks and to state transportation engineers who assist the former with evaluating the impact of these vehicles on the pavement infrastructure. The distribution list for the survey was developed by updating a contact list obtained from the Specialized Carriers and Rigging Association.
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20 Policies also vary in terms of the definition of a "nondivisible" load. Twenty-six of the 42 agencies that answered this question (62%)
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21 thaw, flooding, or other unusual weather that is likely to reduce road strength. • Our bridge analysis engineers involve the geo-technical branch for pavement considerations on requests that are unusually heavy or where there is some unknown factor on the requested route that would be of interest to the pavement engineers.
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22 and Portland Cement Association (28)
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23 cies are most likely to either request a different axle configuration from the shipper or would propose an alternative route with stronger pavements. A few agencies would either request that the shipment be divided up and some that protective measures are taken to reduce the risk of damage to pavements and utilities (e.g., steel plates over water and sewer lines)
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24 • Flat fee of $10 is charged for all permit loads. • Flat fee $10 for a single-trip permit.
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25 FIGURE 17 Maximum SHCV GVW ever permitted. FIGURE 16 Number of SHCV permits issued annually (2013)
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