Authors : Saiful; Taslim Bahar; Ratnasari Ramlan

Volume/Issue : Volume 11 - 2026, Issue 3 - March

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DOI : https://doi.org/10.38124/ijisrt/26mar1214

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Abstract : Roads constitute an essential infrastructure that supports mobility and regional development. As the service life increases and traffic loads intensify, road performance may deteriorate, thereby affecting traffic flow and the level of service. This study aims to determine the current condition of the pavement on Guru Tua Road along the Palu–Kulawi road section through an assessment using the Pavement Condition Index (PCI) method, identify alternative road maintenance strategies basedS on the PCI value of each sample unit, analyze the life cycle cost (LCCA) for each maintenance strategy alternative on Guru Tua Road along the Palu–Kulawi section, and recommend an optimal maintenance strategy that aligns with the road condition and cost efficiency over the design life. Data were collected through road condition surveys and planning data, which were subsequently analyzed using the Pavement Condition Index (PCI) method to determine the road condition classification. Furthermore, the Life Cycle Cost Analysis (LCCA) method was employed to evaluate alternative maintenance strategies. The results of the Pavement Condition Index (PCI) evaluation indicate that Segment 1 (Km 0+000–1+300) has an average PCI value of 78.88 and Segment 2 (Km 1+300–2+600) has an average PCI value of 75.43, both categorized as fair condition, thus periodic maintenance Sis recommended. Segment 3 (Km 2+600–3+900) has an average PCI value of 68.45, which falls into the poor condition category, therefore rehabilitation measures are required. For each segment, three treatment alternatives were developed and subsequently analyzed using the Life Cycle Cost Analysis (LCCA) method. In Alternative 1, the Equivalent Uniform Annual Cost (EUAC) at a discount rate of 8% with a Capital Recovery Factor (CRF) of 0.102 shows that Alternative 1 has a Present Value (PV) of IDR 13,655,411,431, with an Equivalent Uniform Annual Cost (EUAC) of IDR 1,390,833,816.62 and an EUAC per square yard of pavement of IDR 56,648.49. This alternative yields the lowest life cycle cost and annual cost over a 20-year design life.

Keywords : Pavement Condition Index (PCI), Life Cycle Cost Analysis (LCCA), Equivalent Uniform Annual Cost (EUAC), Capital Recovery Factor (CRF), Present Value (PV), EUAC Per Square Yard of Pavement.

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