Road Damage Analysis on the Simpang Nakau – Air Sebakul – SP Betungan Section in Bengkulu City

Abstract

Traffic volume on the Simpang Nakau – Air Sebakul – Betungan road section is relatively high, with heavy vehicle loads. Over time, pavement structure deteriorates, leading to road surface damage. Although widening and overlay works have been carried out, and patching repairs are frequently done, damage continues to occur. Therefore, a study is needed to optimize material use and repair methods based on applicable standards and cost efficiency. The study aims to identify damage types and evaluate road conditions. Using the Asphalt Institute MS-17 (Pavement Condition Rating/PCR) method, overlays are recommended for segments Sta. 3+600 to 4+050 and Sta. 3+150 to 3+650, while routine maintenance is advised for Sta. 3+500 to 3+700. Based on PtT-01-2002-B, overlays are also suggested for Sta. 28+850 to 30+050, Sta. 3+150 to 3+650, and Sta. 4+500 to 4+700. Pavement thickness varies, with asphalt concrete layers of 23–28 cm and combinations with base layers (LPA) up to 61 cm.