Highway Maintenance Costs: What's the Average Annual Cost?

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SUMMARY

The average annual cost per lane-mile for highway maintenance on typical US interstates, which are 30-40 years old and experience four-season weather with moderate truck traffic, is approximately $20,000 to $30,000. This estimate is derived from civil engineering practices and guidelines, including resources from the Federal Highway Administration (FHWA). Factors influencing these costs include material wear, labor, and environmental conditions. Civil engineers utilize these figures for budgeting and planning maintenance schedules.

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  • Civil engineering principles related to infrastructure maintenance
  • Understanding of highway design and lifecycle costs
  • Familiarity with FHWA guidelines and resources
  • Knowledge of environmental impacts on road maintenance
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  • Research FHWA's latest reports on highway maintenance costs
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Civil engineers, transportation planners, budget analysts, and anyone involved in highway infrastructure maintenance and cost estimation.

luckycharms
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I wasn't sure what forum to put this in, but I thought maybe some civil engineers might have an answer.

What is the average annual cost per lane-mile for highway maintenance?

Ballpark answer/order of magnitude is all I'm looking for. I know there are a lot of variables, so assume typical US interstates, 30-40 years old, four season weather, moderate level of truck traffic.

Just doing some back of the envelope calculations for personal interest, but I thought this must be something civil engineers estimate when they build a road. Thanks in advance.
 
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http://www.fhwa.dot.gov/policy/2002cpr/ch24.htm
 
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