Streets - City of Bartlesville

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2.4 INDEX DISTRIBUTION BY FUNCTIONAL CLASSIFICATION Figure 10, presented below, highlights the pavement condition distribution for the arterial, collector and residential functional classifications. From the plot it is apparent that arterials have the highest average PCI score, combined with the lowest number of streets below 40, followed by the collector then residential roadway networks. Figure 10 – PCI Distribution by Functional Class The following table presents the overall conditions scores by functional class. All Streets Network ART COL LOC Count 2011 861 1606 1863 Length (Ft) 1,171,461 160,666 353,241 657,553 Length (mi) 221.9 30.4 66.9 124.5 Area (Ft2) 12,109,547 604,914 1,062,016 1,762,753 Average PCI 65 79 65 60 IMS Infrastructure Management Services Bartlesville 2012 Report Rev1 page 11
2.5 RECONSTRUCTION BACKLOG Backlog roadways are those that have dropped sufficiently in quality to the point where surface based rehabilitation efforts would no longer prove to be cost efficient. These roadways are rated poor or very poor and will require either partial or total reconstruction. Backlog is expressed as the percentage of roads requiring reconstruction as compared to the network totals. The concept of Pavement Condition Index (PCI) score and backlog must be fully understood in order to develop an effective pavement management program. The PCI score indicates the overall pavement condition and represents the amount of equity in the system; it is the value most commonly considered when gauging the overall quality of a roadway network. It may also be used to define a desired level of service: that is, an agency may wish to develop a pavement management program such that in five years the overall network score meets a set minimum value. It is the backlog, however, that defines the amount of work an agency is facing and is willing to accept in the future. Further, it is the combination of the two that presents the true picture of the condition of a roadway network, and conversely defines improvement goals. With the City of Bartlesville’s current average PCI at 65 and the reconstruction backlog at 11%, the City’s short-term objectives need to focus on not letting this backlog percentage increase. The current rehabilitation program should focus on the asphalt network to arrest any potential PCI slide. Generally, a backlog of 10% to 15% of the overall network is considered manageable from a funding point of view, and a target value of less than 12% would be considered ideal. Backlogs approaching 20% and above tend to become unmanageable unless aggressively checked through larger rehabilitation programs. For cities such as Bartlesville with a low backlog, it is important that this value not be allowed to increase. It is far more costly to let the backlog amount increase and then attempt to reduce it later than to keep it at its current low rate. IMS Infrastructure Management Services Bartlesville 2012 Report Rev1 page 12
Page 1 and 2: City of Bartlesville, OK Pavement M
Page 3 and 4: Abbreviation or Acronym Definition
Page 5 and 6: Pavement management is the process
Page 7 and 8: 1.2 THE PAVEMENT MANAGEMENT PROCESS
Page 9 and 10: 1.3 UNDERSTANDING THE PAVEMENT COND
Page 11 and 12: 2.2 NETWORK PRESENT CONDITION Figur
Page 13: 2.3 LOAD ASSOCIATED DISTRESS ANALYS
Page 17 and 18: PaveType FunCL Weak Moderate Strong
Page 19 and 20: The following plot, Figure 12, grap
Page 21 and 22: City would require without any cons
Page 23 and 24: 3.4 NETWORK RECOMMENDATIONS AND COM
Page 25 and 26: City of Bartlesville Street Invento
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City of Bartlesville Street Invento
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Appendix C $1.25M Rehabilitation Pr
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Appendix D $1.25M Rehabilitation Pr
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Streets - City of Bartlesville

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