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IMS Infrastructure Management Services Arden Hills Report P a g e | 20 The following graph (Figure 9) plots the same pavement condition information, but instead of using the actual PCI value, descriptive terms are used to classify the roadways. • Sixteen percent (16%) of the network can be considered in Excellent condition and require only routine maintenance. • Twenty-six percent (26%) of the network falls into the Very Good classification. These are roads that benefit most from preventative maintenance techniques such as microsurfacing, slurry seals and localized panel repairs. • Twelve percent (12%) of the streets are rated as Good and are candidates for lighter surface-based rehabilitations such as thin overlays or slight panel replacements. • Thirty-four percent (34%) of network can be considered Fair to Marginal condition representing candidates for progressively thicker overlay-based rehabilitation or panel replacements. If left untreated, they will decline rapidly into reconstruction candidates. • The remaining thirteen percent (13%) of the network is rated as Poor or Very Poor, meaning these roadways have failed or are past their optimal due point for overlay or surface-based rehabilitation and may require progressively heavier or thicker forms of rehabilitation (such as extensive panel replacement, surface reconstruction or deep patch and paving) or total reconstruction. Figure 9 – Roadway Network Present Status Using Descriptive Terms 0 5 10 15 20 25 30 35 40 Very Poor (0 to 25)Poor (25 to 40)Marginal (40 to 50)Fair (50 to 60)Good (60 to 70)Very Good (70 to 85)Excellent (85 to 100)Percentage of Network by AreaPavement Condition Using Descriptive Terms City of Arden Hills, MN Current Network Average Condition = 63, Backlog = 13% Pavement Condition Using Descriptive Terms