This CB100-type three-lane single-layer reinforced Bailey bridge, located in Guangdong, is treated with a paint-based corrosion-resistant process to adapt to the region’s warm and humid climate, effectively resisting environmental erosion and ensuring the structural safety of the bridge. The three-lane single-layer reinforced design provides excellent load-bearing performance, meeting the vehicle traffic requirements. The modular components allow for efficient and convenient on-site assembly, controlling costs while ensuring traffic capacity. The customized Bailey bridge offers unique flexibility to adapt to various scenarios. Its load design perfectly suits standards such as HS-15, HS-20, HS-25, HL-93, and Track-50.