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Page 1: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

A Key to Success

Page 2: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

0

1

2

3

4

5

0 5 10 15 20 25

Pavement Remaining Service Life(years)

Percent of Network Pavement

Current ConditionCurrent Condition

6

Page 3: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

0

1

2

3

4

5

0 5 10 15 20 25

Pavement Remaining Service Life(years)

Percent of Network Pavement

Condition - One Year LaterCondition - One Year Later

6

7

8

Page 4: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

You cannot properly select projectsunless you manage pavements

You cannot measure conditionsunless you understand distresses

You cannot manage pavementsunless you measure conditions

How to Select Projects

Page 5: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Source: FHWA Office of Asset ManagementSource: FHWA Office of Asset ManagementSource: FHWA Office of Asset ManagementSource: FHWA Office of Asset Management

Page 6: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

How to Manage Pavements

o Establish pavement network goals

o Measure pavement conditions

o Utilize a treatment toolbox

o Quantify performance

o Create strategic plan

Page 7: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Potential Examples

o Provide Good Pavement Condition

o Increase Ride Quality

o Extend Pavement Life

o Ensure Cost-Effectiveness

o Reduce User Delays

Establish Network Pavement Goals

Goals Should Be Measureable

Page 8: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Measure Pavement Conditions

o Identify Distress Types

o Determine Severity Levels

o Separate Structural & Functional Distresses

o Understand the Cause of Each Distress

Page 9: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Flexible Pavement DistressesFlexible Pavement Distresses1. Alligator (fatigue) Cracking

2. Bleeding

3. Block Cracking

4. Corrugation

5. Depression

6. Joint Reflective Cracking

7. Lane/Shoulder Drop Off or Heave

8. Lane/Shoulder Separation

9. Longitudinal & Transverse Cracking

10. Patch Deterioration

11. Polished Aggregate

12. Potholes

13. Pumping & Water Bleeding

14. Raveling, Weathering, Stripping

15. Rutting

16. Slippage Cracking

17. Swelling

17

Page 10: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

ALLIGATOR (fatigue) CRACK(LOW SEVERITY)

Page 11: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

ALLIGATOR (fatigue) CRACK(MEDIUM SEVERITY)

ALLIGATOR (fatigue) CRACK(MEDIUM SEVERITY)

Page 12: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

ALLIGATOR (fatigue) CRACK(HIGH SEVERITY)

ALLIGATOR (fatigue) CRACK(HIGH SEVERITY)

Page 13: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

BLEEDINGBLEEDING

Page 14: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

BLEEDINGBLEEDING

Page 15: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

INITIATION OF BLOCK CRACKINGINITIATION OF BLOCK CRACKING

Page 16: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

BLOCK CRACKING (LOW SEVERITY)

BLOCK CRACKING (LOW SEVERITY)

Page 17: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

BLOCK CRACKING (MEDIUM SEVERITY)

BLOCK CRACKING (MEDIUM SEVERITY)

Page 18: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

BLOCK CRACKING (HIGH SEVERITY)

BLOCK CRACKING (HIGH SEVERITY)

Page 19: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

POLISHED AGGREGATEPOLISHED AGGREGATE

Page 20: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

POLISHED AGGREGATEPOLISHED AGGREGATE

Page 21: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

POTHOLE (MEDIUM SEVERITY)POTHOLE (MEDIUM SEVERITY)

Page 22: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

POTHOLE (HIGH SEVERITY)POTHOLE (HIGH SEVERITY)

Page 23: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

RAVELING(LOSS OF FINE AGGREGATE)

RAVELING(LOSS OF FINE AGGREGATE)

Page 24: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

RAVELING(LOSS OF COURSE AGGREGATE)

RAVELING(LOSS OF COURSE AGGREGATE)

Page 25: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

STRIPPING

Page 26: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

STRIPPINGSTRIPPING

Page 27: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

RUTTINGRUTTING

Page 28: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

RUTTING (HYDROPLANING, SAFETY)

RUTTING (HYDROPLANING, SAFETY)

Page 29: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Rigid Pavement DistressesRigid Pavement Distresses1. Blowup

2. Corner Break

3. Depression

4. Durability (“D”) Cracking

5. Faulting of Transverse Joints & Cracks

6. Load Transfer Associated Deterioration

7. Joint Seal Damage

8. Lane/Shoulder Drop Off or Heave

9. Lane/Shoulder Joint Separation

10. Longitudinal Cracks11. Longitudinal Joint Faulting

12. Patch Deterioration

13. Popout

14. Pumping & Water Bleeding

15. Reactive Aggregate

16. Scaling, Map Cracking

17. Spalling

18. Swell

19. Transverse and Diagonal Cracks

19

Page 30: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

CORNER BREAKSCORNER BREAKS

Page 31: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

CORNER BREAKS(LOW SEVERITY)CORNER BREAKS

(LOW SEVERITY)

Page 32: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

CORNER BREAKS(MEDIUM SEVERITY)

CORNER BREAKS(MEDIUM SEVERITY)

Page 33: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

CORNER BREAKS(HIGH SEVERITY)

Page 34: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

FAULTING OF TRANSVERSECRACKS & JOINTS

FAULTING OF TRANSVERSECRACKS & JOINTS

Page 35: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

FAULTING OF A TRANSVERSE CRACK(MEDIUM SEVERITY)

FAULTING OF A TRANSVERSE CRACK(MEDIUM SEVERITY)

Page 36: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

FAULTING OF A TRANSVERSE CRACK (HIGH SEVERITY)

FAULTING OF A TRANSVERSE CRACK (HIGH SEVERITY)

Page 37: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

FAULTING OF A TRANSVERSE JOINTFAULTING OF A TRANSVERSE JOINT

Page 38: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

FAULTING OF A TRANSVERSE JOINT (HIGH SEVERITY)

FAULTING OF A TRANSVERSE JOINT (HIGH SEVERITY)

Page 39: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

LOAD TRANSFER ASSOCIATED DISTRESS

LOAD TRANSFER ASSOCIATED DISTRESS

Page 40: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

LOAD TRANSFER ASSOCIATED DISTRESS

LOAD TRANSFER ASSOCIATED DISTRESS

Page 41: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

LANE to SHOULDER DROP-OFFLANE to SHOULDER DROP-OFF

Page 42: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

LANE to SHOULDER DROP-OFF (SHOULDER SETTLEMENT)

LANE to SHOULDER DROP-OFF (SHOULDER SETTLEMENT)

Page 43: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

LANE-SHOULDER SEPARATION (POORLY SEALED)

LANE-SHOULDER SEPARATION (POORLY SEALED)

Page 44: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

LONGITUDINAL CRACK (LOW SEVERITY)

LONGITUDINAL CRACK (LOW SEVERITY)

Page 45: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

LONGITUDINAL CRACK(MEDIUM SEVERITY)

LONGITUDINAL CRACK(MEDIUM SEVERITY)

Page 46: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

LONGITUDINAL CRACK (HIGH SEVERITY)

LONGITUDINAL CRACK (HIGH SEVERITY)

Page 47: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

POPOUTS

Page 48: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

POPOUTSPOPOUTS

Page 49: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

PUMPINGPUMPING

Page 50: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

PUMPINGPUMPING

Page 51: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

TRANSVERSE CRACK (LOW SEVERITY)

TRANSVERSE CRACK (LOW SEVERITY)

Page 52: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

TRANSVERSE CRACK (MEDIUM SEVERITY)

TRANSVERSE CRACK (MEDIUM SEVERITY)

Page 53: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

TRANSVERSE CRACK (HIGH SEVERITY)

TRANSVERSE CRACK (HIGH SEVERITY)

Page 54: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

TRANSVERSE CRACK (EXTRA HIGH SEVERITY)

TRANSVERSE CRACK (EXTRA HIGH SEVERITY)

Page 55: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Utilize a Treatment Toolbox

Apply Treatments

o While pavement is in good condition

o Before structural damage occurs

Page 56: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

….and many others!….and many others!….and many others!….and many others!….and many others!….and many others!….and many others!….and many others!

� Asphalt Rejuvenators

� Crack Sealing

� Chip Seals

� Slurry Seals

� Micro-surfacing

� Ultra-thin Overlays

� Profile Milling

� Hot In-place Recycling

� Cold In-place Recycling

� Asphalt Sealers

� Crack Filling

� Cape Seals

� Sand Seals

� Scrub Seals

� Bonded Wearing Course

� Ultra-Thin Overlays

� Thin Overlays

� Mill & Resurface

Flexible Pavement TreatmentsFlexible Pavement Treatments

Page 57: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

� Crack Sealing

� Undersealing

� Spall Repair

� Partial Depth Repair

� Full Depth Repair

� Diamond Grooving

� Joint Resealing

� Dowel Bar Retrofit� Cross Stitching -

longitudinal cracks & joints

� Diamond Grinding

� CPR

….and many others!….and many others!

Rigid Pavement TreatmentsRigid Pavement Treatments

Page 58: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

(Years)(Years)TreatmentTreatmentTreatmentTreatmentGood Good Good Good

ConditionConditionConditionCondition(PCI=80)

Fair Fair Fair Fair

ConditionConditionConditionCondition(PCI=60)

Poor Poor Poor Poor

ConditionConditionConditionCondition(PCI=40)

Crack FillCrack FillCrack FillCrack Fill 1 1 1 1 ---- 3333 0 0 0 0 ---- 2222 0000

Crack SealCrack SealCrack SealCrack Seal 1 1 1 1 ---- 5555 0 0 0 0 ---- 3333 0000

Fog SealFog SealFog SealFog Seal 1 1 1 1 ---- 3333 0 0 0 0 ---- 1111 0000

Chip SealChip SealChip SealChip Seal 4 4 4 4 ---- 10101010 3 3 3 3 ---- 5555 0 0 0 0 ---- 3333

MicroMicroMicroMicro----SurfacingSurfacingSurfacingSurfacing 4 4 4 4 –––– 8888 3 3 3 3 ---- 5555 1 1 1 1 ---- 4444

Thin HMAThin HMAThin HMAThin HMA 4 4 4 4 ---- 10101010 3 3 3 3 ---- 7777 2 2 2 2 ---- 4444

Typical Life ExtensionsTypical Life Extensions

Page 59: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Treatment SelectionTreatment Selection

o Distress Type

o Parameter Levels, e.g. Cracking

o Location

o Available Funding

o Other Constraints, e.g. Political

Page 60: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Utilize a Treatment Toolbox

Benefits of Pavement Preservation

o Defer Costly Reconstruction/Rehabilitation

o Reduced Traffic Delays

o Improved Mobility

o Reduced Congestion

o Longer-Lasting Capital Investments

Page 61: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

o Decision Trees Specialized by:� Pavement type, e.g. Asphalt

� Road type

� Traffic

� Functional characteristics

o Decision Matrices� Used for complex decisions

� Framework for making tradeoffs

� Evaluates alternative treatments

for given resources

� Evaluates treatment combinations

for least cost

� Limited optimization

Treatment Selection Tools

Page 62: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Establish Strategic Plan

o Concentrate on Network or Major Components

o Barriers or Constraints

� Funding Restrictions

� Analytical Convenience

� Political Factors

Page 63: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

QUESTIONS ?QUESTIONS ?

Page 64: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Worst First Approach

Versus

Mix of Fixes Approach

Network Level Strategy

Page 65: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

• Annual Budget = $21.5 Million

• Network = 1,232 lane miles

• Constraints

– Interstate (I-23) must be

reconstructed

– County Road (CR-55) must be rehabilitated

– Funding advances not permitted

– Carry-overs and overruns not

permitted

Parameters

Page 66: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Beginning ConditionBeginning Condition

0

2

4

6

8

10

0 5 10 15 20 25

Pavement Remaining Service Life(years)

Percent of Network Pavement

Percent of Network Pavement

12

Page 67: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

“Worst First”Approach

Page 68: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Worst First

1st Year Strategy1st Year Strategy

Project RoutePavement Type

Lane Miles

Lane Mile

Costs

Total

Cost

#111 I-23 Rigid 46.0 ½ Project $370,000 $17,020,000

#112 US-235 Composite 19.5 $220,000 $ 4,290,000

Total = 65.5 $21,310,000

Reconstruction (I-23), Urban - RSL = 0Flexible Design Life = 25 years

Rehabilitation (US-235), Urban - RSL = 1Composite Design Life = 15 years

Page 69: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Worst First

2nd Year Strategy2nd Year Strategy

Project RoutePavement Type

Lane Miles

Lane Mile

Costs

Total

Cost

#111 I-23 Rigid 46 $370,000 $17,020,000

#114 CR-55 Flexible 13 $145,000 $ 1,885,000

#116 Riggs Composite 3 $220,000 $ 660,000

#118 US-484 Flexible 4 $145,000 $ 580,000

#119 SR-272 Composite 6 $220,000 $ 1,320,000

Total = 69 $21,465,000

Reconstruction (I-23), Urban - RSL = 0Rigid Design Life = 25 years

Rehabilitation (CR-55), Rural - RSL = 1Flexible Design Life = 15 years

Rehabilitation (Riggs), Urban - RSL = 0Composite Design Life = 15 years

Rehabilitation (US-484), Rural - RSL = 0Flexible Design Life = 15 years

Rehabilitation (SR-272), Urban - RSL = 0Composite Design Life = 15 years

Page 70: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Worst First

3rd Year Strategy3rd Year Strategy

Project RoutePavement Type

Lane Miles

Lane Mile

Costs

Total

Cost

#115 SR-20 Flexible 9 $145,000 $ 1,305,000

#117 SR-38 Rigid 7.5 $465,000 $ 3,487,500

#222 I-7 Flexible 30 $265,000 $ 7,950,000

#230 I-36 Composite 56 $145,000 $ 8,120,000

Total = 102.5 $20,862,500

Rehabilitation (SR-20), Rural – RSL = 0Flexible Design Life = 15 years

Reconstruction (SR-38), Urban = 0Rigid Design Life = 30 years

Reconstruction (I-7), Rural = 1Flexible Design Life = 20 years

Rehabilitation (I-36), Rural = 2Composite Design Life = 15 years

Page 71: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Worst First SummaryWorst First Summary

Year Projects Lane Miles Costs

1 2 65.5 $21,310,000

2 5 69.0 $21,465,000

3 4 102.5 $20,862,500

Totals 11 237.0 $63,637,500

Page 72: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Condition After 3 YearsCondition After 3 Years

0

2

4

6

8

10

Percent of Network Pavement

Percent of Network Pavement

12

0 5 10 15 20 25

Pavement Remaining Service Life(years)

30

Page 73: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Comparison of ConditionsComparison of ConditionsPercent of Network Pavement

Percent of Network Pavement

0

2

4

6

8

10

12

0 5 10 15 20 25 30

0

2

4

6

8

10

0 5 10 15 20 25

12

RSLRSL

RSLRSL

Beginning

Ending

Page 74: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Impact on Network ConditionImpact on Network Condition

Network Health = Average R.S.L.

After 3 Years…

Do Nothing = 6.4 Average R.S.L.

Worst First = 10.1 Average R.S.L.

Network Improvement = 3.7 Years

Page 75: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

“Mix of Fixes”Approach

Page 76: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Beginning ConditionBeginning Condition

0

2

4

6

8

10

0 5 10 15 20 25

Pavement Remaining Service Life(years)

Percent of Network Pavement

Percent of Network Pavement

12

Page 77: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Mix of Fixes

1st Year Strategy1st Year Strategy

Project RoutePavement Type

Lane Miles

Lane Mile

Costs

Total

Cost

#112 US-235 Composite 19.5 $120,000 $ 2,340,000

#113 SR-77 Flexible 49 $120,000 $ 5,880,000

#117 SR-38 Rigid 7.5 $130,000 $ 975,000

#228 US-103 Flexible 38 $55,000 $ 2,090,000

#230 I-36 Composite 56 $55,000 $ 3,080,000

Page 1 of 3

Subtotal (Page 1) = $ 14,365,000

Minor Rehab (US-235), Urban - RSL = 1Life Extension = 12 years

Minor Rehab (SR-77), Rural - RSL = 1Life Extension = 12 years

Minor Rehab (SR-38), Urban - RSL = 1Life Extension = 12 years

PM (US-103), Rural - RSL = 4Life Extension = 10 years

PM (I-36), Rural - RSL = 4Life Extension = 10 years

Page 78: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Mix of Fixes

Project RoutePavement Type

Lane Miles

Lane Mile

Costs

Total

Cost

#224 Meridian Flexible 1 $ 55,000 $ 55,000

#227 I-18 Rigid 84 $ 50,000 $ 4,200,000

#233 Del Webb Flexible 2 $ 55,000 $ 110,000

#235 CR-44 Composite 4 $ 55,000 $ 220,000

#345 I-92 Composite 88 $ 14,000 $ 1,232,000

Page 2 of 3

Subtotal (Page 2) = $ 5,817,000

PM (Meridian), Urban - RSL = 5Life Extension = 10 years

PM (I-18), Urban - RSL = 5Life Extension = 10 years

PM (Del Webb), Urban - RSL = 4Life Extension = 10 years

PM (CR-44), Rural - RSL = 4Life Extension = 10 years

PM (I-92), Rural - RSL = 8Life Extension = 5 years

1st Year Strategy1st Year Strategy

Page 79: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Mix of Fixes

Project RoutePavement Type

Lane Miles

Lane Mile

Costs

Total

Cost

#346 US-47 Flexible 45 $ 14,000 $ 630,000

#349 I-53 Rigid 24 $ 20,000 $ 480,000

#455 SR-101 Flexible 36 $ 5,000 $ 180,000

Subtotal Page 1 170 $14,365,000

Subtotal Page 2 99 $ 5,817,000

Total = 374 $21,472,000

Page 3 of 3

PM (US-47), Rural - RSL = 8Life Extension = 5 years

PM (I-53), Urban - RSL = 10Life Extension = 5 years

PM (SR-101), Rural - RSL = 15Life Extension = 2 years

1st Year Strategy1st Year Strategy

Page 80: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Condition After 1st Year ProjectsCondition After 1st Year Projects

Pavement Remaining Service Life(years)

Percent of Network Pavement

Percent of Network Pavement

0

2

4

6

8

10

0 5 10 15 20 25

1223% 13%

Page 81: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Project RoutePavement Type

Lane Miles

Lane Mile

Costs

Total

Cost

#111 I-23 Rigid 46 ½ Project $370,000 $17,020,000

#115 SR-20 Flexible 9 $120,000 $ 1,080,000

#222 I-7 Flexible 30 $ 55,000 $ 1,650,000

#450 I-46 Flexible 72 $ 14,000 $ 1,008,000

Mix of Fixes

2nd Year Strategy2nd Year Strategy

Reconstruction (I-23), Urban - RSL = 0Flexible Design Life = 25 years

Minor Rehab (SR-20), Rural - RSL = 1Life Extension = 12 years

PM (I-7), Rural - RSL = 2Life Extension = 10 years

PM (I-46), Rural - RSL = 12Life Extension = 5 years

Subtotal (Page 1) = $ 20,758,000

Page 1 of 2

Page 82: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Project RoutePavement Type

Lane Miles

Lane Mile

Costs

Total

Cost

#453 SR-6 Flexible 21 $ 14,000 $ 294,000

#454 CR-25 Flexible 29 $ 14,000 $ 406,000

Subtotal Page 1 157 $21,758,000

Total = 207 $21,458,000

Mix of Fixes

PM (SR-6), Rural - RSL = 14Life Extension = 5 years

PM (CR-25), Rural - RSL = 14Life Extension = 5 years

Page 2 of 22nd Year Strategy2nd Year Strategy

Page 83: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Condition After 2nd Year ProjectsCondition After 2nd Year Projects

Pavement Remaining Service Life(years)

Percent of Network Pavement

Percent of Network Pavement

0

2

4

6

8

10

0 5 10 15 20 25

1219%

Page 84: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Project RoutePavement Type

Lane Miles

Lane Mile

Costs

Total

Cost

#111 I-23 Rigid 46 ½ Project $370,000 $17,020,000

#114 CR-55 Flexible 13 $145,000 $ 1,885,000

#118 US-484 Flexible 4 $145,000 $ 580,000

#229 SR-170 Flexible 28 $ 14,000 $ 392,000

Mix of Fixes

3rd Year Strategy3rd Year Strategy

Reconstruction (I-23), Urban - RSL = 0Flexible Design Life = 25 years

Rehabilitation (CR-55), Rural - RSL = 0Flexible Design Life = 15 years

Rehabilitation (US-484), Rural - RSL = 0Flexible Design Life = 15 years

PM (SR-170), Rural - RSL = 4Life Extension = 5 years

Subtotal (Page 1) = $ 19,877,000

Page 1 of 3

Page 85: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Project RoutePavement Type

Lane Miles

Lane Mile

Costs

Total

Cost

#340 CR-3 Flexible 9 $ 28,000 $ 252,000

#342 I-67 Flexible 48 $ 14,000 $ 672,000

#347 CR-24 Flexible 15 $ 5,000 $ 75,000

#451 US-88 Flexible 36 $ 5,000 $ 180,000

Mix of Fixes

Page 2 of 3

PM (US-88), Rural - RSL = 14Life Extension = 2 years

PM (CR-3), Rural - RSL = 7Life Extension = 7 years

PM (I-67), Rural - RSL = 9Life Extension = 5 years

PM (CR-24), Rural - RSL = 8Life Extension = 2 years

Subtotal (Page 2) = $ 1,179,000

3rd Year Strategy3rd Year Strategy

Page 86: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Project RoutePavement Type

Lane Miles

Lane Mile

Costs

Total

Cost

#452 CR-16 Flexible 24 $ 14,000 $ 336,000

#456 SR-207 Rigid 22 $ 4,000 $ 88,000

Subtotal Page 1 91 $19,877,000

Subtotal Page 2 108 $ 1,179,000

Total = 245 $21,480,000

Mix of Fixes

Page 3 of 3

PM (SR-207), Urban - RSL = 14Life Extension = 2 years

PM (CR-16), Rural - RSL = 12Life Extension = 5 years

3rd Year Strategy3rd Year Strategy

Page 87: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Condition After 3 YearsCondition After 3 Years

Pavement Remaining Service Life(years)

Percent of Network Pavement

Percent of Network Pavement

0

2

4

6

8

10

0 5 10 15 20 25

1219% 15%

Page 88: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Mix of Fixes SummaryMix of Fixes Summary

Year Projects Lane Miles Costs

1 13 374 $21,472,000

2 6 207 $21,458,000

3 10 245 $21,480,000

Totals 29 826.0 $64,410,000

Page 89: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Comparison of ConditionsComparison of ConditionsPercent of Network Pavement

Percent of Network Pavement

0

2

4

6

8

10

0 5 10 15 20 25

12

RSLRSL

Beginning

RSLRSL0

2

4

6

8

10

0

12 19% 15%

5 10 15 20 25

Ending

Page 90: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Impact on Network ConditionImpact on Network Condition

Network Health = Average R.S.L.

After 3 Years…

Do Nothing = 6.4 Average R.S.L.

Mix of Fixes = 11.9 Average R.S.L.

Network Improvement = 5.5 Years

Page 91: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Summary of Network ConditionSummary of Network Condition

After 3 Years…

Mix of Fixes = 826 Miles Improved

Worst First = 237 Miles Improved

After 3 Years…

Mix of Fixes = 11.9 Average R.S.L.

Worst First = 10.1 Average R.S.L.

Improvement = 1.8 Years

Page 92: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

Comparison of DistributionsComparison of DistributionsPercent of Network Pavement

Percent of Network Pavement

RSLRSL

RSLRSL0

2

4

6

8

10

0

12 19% 15%

5 10 15 20 25

Mix of Fixes

0

2

4

6

8

10

12

0 5 10 15 20 25 30

Worst First

Page 93: A Key to Success · Worst First 2nd Year Strategy Project Route Pavement Type Lane Miles Lane Mile Costs Total Cost #111 I-23 Rigid 46 $370,000 $17,020,000 #114 CR-55 Flexible 13

QUESTIONS ?QUESTIONS ?


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