A QuickCheck-up of Your

Highway Network Health

A QuickCheck-up of Your

Highway Network Health

Cornell Local Roads Program61st Annual School for Highway Superintendents

June 5, 2006

Cornell Local Roads Program61st Annual School for Highway Superintendents

June 5, 2006

Larry Galehouse, P.E., L.S.National Center for Pavement Preservation

Larry Galehouse, P.E., L.S.National Center for Pavement Preservation

HistoryHistory

• Highway Usage Increased 29% in the 1990’s

• Highway Usage Increased 29% in the 1990’s

History & TrendsHistory & Trends

• Truck Traffic Increased 40% in the 1990’s

• Truck Traffic Will Increase 3% per year for the next 20 years

• Truck Traffic Increased 40% in the 1990’s

• Truck Traffic Will Increase 3% per year for the next 20 years

History ofU.S. Highway Expenditures

by Function

History ofU.S. Highway Expenditures

by Function

$134.56$5.42$27.78$33.18$68.182002

$122.70$5.11$25.63$30.64$61.322000

$42.97$1.69$ 8.91$13.32$19.051982

$1.70$ 0.27$ 0.26$ 0.80$ 0.371945

TotalDebtRetirementAdministrativeMaintenanceCapital

OutlayYear

Note: Administration includes Highway Law Enforcement and Bond Interest

(Dollars in Billions)(Dollars in Billions)

ExpectationsExpectations

• Americans demand easy mobility on safe, smooth, and well-maintained roads.

• Americans demand easy mobility on safe, smooth, and well-maintained roads.

Circa 1930Circa 1930

• Operating Revenues Can’t Keep Pace with Needs

• Highway Agencies Face Increasing Demands with Decreasing Resources

• Operating Revenues Can’t Keep Pace with Needs

• Highway Agencies Face Increasing Demands with Decreasing Resources

Financial RealityFinancial Reality

Driving on Poor Roads CostDriving on Poor Roads Cost

• $49 billion per year in extra vehicle repairs and operation costs

• $255 per motorist

• $49 billion per year in extra vehicle repairs and operation costs

• $255 per motorist

Source: The Road Information ProgramSource: The Road Information Program

Network EvaluationQuick Assessment Method

Network EvaluationQuick Assessment Method

Example:

County Highway Department

Network Size = 4,356 lane miles

Example:

County Highway Department

Network Size = 4,356 lane miles

0

1

2

3

4

5

0 5 10 15 20 25

Pavement Remaining Service LifePavement Remaining Service Life

Perc

ent o

f Net

wor

k Pa

vem

ent

Perc

ent o

f Net

wor

k Pa

vem

ent

(Years)(Years)

Current ConditionCurrent ConditionCurrent Condition6

0

1

2

3

4

5

0 5 10 15 20 25

Pavement Remaining Service LifePavement Remaining Service Life

Per

cent

of N

etw

ork

Pav

emen

tP

erce

nt o

f Net

wor

k P

avem

ent

(Years)(Years)

Condition - One Year LaterCondition Condition -- One Year LaterOne Year Later6

7

8

County Highway Department= 4,356 lane miles

County Highway Department= 4,356 lane miles

Each year the network will loseEach year the network will lose

4,356 lane mile years

Reconstruction EvaluationReconstruction Evaluation

1,090=Total

54030 yrs18#2

55025 yrs22#1

Lane Mile YearsDesign LifeLane MilesProject

Step 1Step 1

Rehabilitation EvaluationRehabilitation Evaluation

1,200=Total

38412 yrs32#5

42015 yrs28#4

39618 yrs22#3

Lane Mile YearsDesign LifeLane MilesProject

Step 2Step 2

412=Total

8010 yrs8#10

1127 yrs16#9

1305 yrs26#8

663 yrs22#7

242 yrs12#6

Lane Mile YearsLife Extension

Lane MilesProject

Preventive Preservation EvaluationPreventive Preservation Evaluation

Step 3Step 3

Network Needs SummaryNetwork Needs Summary

Required: 4,356 lane mile yearsRequired: 4,356 lane mile years

1,090Reconstruction( 40 lane miles )

2,702Total =

412Pavement Preservation

( 84 lane miles )

1,200Rehabilitation( 82 lane miles )

Lane Mile YearsProgrammed Activity

$$$$$$$

$

Step 4Step 4

Evaluation ConclusionEvaluation Conclusion

1,653(lane mile years)Deficit =

2,703(lane mile years)Programmed Activity

4,356(lane mile years)Network Size (needs)

Step 5Step 5

$14,626

$12,285

$5,441

$3,387$2,796 $2,581

$13,198

$9,654 $9,962

$18,537

$0

$2,000

$4,000

$6,000

$8,000

$10,000

$12,000

$14,000

$16,000

$18,000

$20,000

Reconstruction25 Yrs

Rehabilitation15 Yrs

Resurfacing12.5 Yrs

Thin Overlay7.5 Yrs

Slurry Seal

5 Yrs

Chip Seal

4.5 Yrs

Crack Seal

2 Yrs

RuralUrbanPreventive Maintenance Treatments (Rural & Urban)

Reconstruction, Rehabilitation & Resurfacing costs from Highway Statistics -2001, FHWAPreventive Maintenance treatment costs from 2001 data, Michigan DOT

Ann

ualiz

ed C

ost p

er L

ane

Mile

(Dol

lars

)

Average Design Service Life Average Life Extension

Note:

Steps to Address Minimal NeedsSteps to Address Minimal Needs

Required: 4,356 lane mile yearsRequired: 4,356 lane mile years

1,090Reconstruction( 40 lane miles )

2,702Total =

412Pavement Preservation

( 84 lane miles )

1,200Rehabilitation( 82 lane miles )

Lane Mile YearsProgrammed Activity

( 31 lane miles ) 820

2,357

Step 1Step 1

1,125( 77 lane miles )

Savings = $ 5.27 M

x$12,6004.5 yearsChip Seal

y$5,2002 yearsCrack Seal

NewLane Miles

Cost perLane Mile

Life Extension

Preservation Treatment

Steps to Address Minimal NeedsSteps to Address Minimal NeedsSavings = $ 5.27 Million Needs = 1,999 LMYSavings = $ 5.27 Million Needs = 1,999 LMY

Step 2Step 2

Solve for unknowns:12,600x + 5,200y = 5.27x106

4.5x + 2y = 1999(Simultaneous Equations)

x = 78 y = 824

Steps to Address Minimal NeedsSteps to Address Minimal Needs

Required: 4,356 lane mile yearsRequired: 4,356 lane mile years

820Reconstruction

( 31 lane miles )

4,356Total =

412351

1,648

Pavement Preservation( 84 lane miles )

Chip Seal ( 4.5 yrs X 78 lane miles )Crack Seal ( 2 yrs X 824 lane miles )

1,125Rehabilitation

( 77 lane miles )

Lane Mile YearsProgrammed Activity

Step 3Step 3

• Establishes Network Need

• EvaluatesReconstruction Rehabilitation Preventive Maintenance

• IncorporatesDesign LifeLife Extensions

• Establishes Network Need

• EvaluatesReconstruction Rehabilitation Preventive Maintenance

• IncorporatesDesign LifeLife Extensions

Quick Assessment MethodQuick Assessment Method

Need More Information ?Need More Information ?

National Center for Pavement Preservationat Michigan State University

National Center for Pavement Preservationat Michigan State University

www.pavementpreservation.org

Questions ?

Thank You

Larry Galehouse, P.E., P.S.DirectorNational Center for Pavement Preservation2857 Jolly RoadOkemos, Michigan 48864(517)432-8220 • Fax: (517)-432-8223email: galehou3@msu.eduwww.pavementpreservation.org