In the heart of the Guangdong-Hong Kong-Macao Greater Bay Area, where innovation bridges land and sea, a monumental engineering feat now glows as a beacon of progress: the Huangmaohai Cross-Sea Bridge. Stretching an impressive 31 kilometers across the Huangmaohai waters between Zhuhai and Jiangmen, this engineering marvel claims the title of the world’s largest-span three-tower cable-stayed highway bridge. As Guangdong Hongyu Lighting Engineering Construction Co., Ltd., we were honored to spearhead its comprehensive floodlighting and illumination system, ensuring the bridge not only connects cities but captivates the night sky with flawless precision and safety.Project Vision: A Symphony of Light and Structure
Our lighting design philosophy for the Huangmaohai Bridge centered on “Dynamic Harmony”—blending the bridge’s bold structural elegance with the fluid beauty of its coastal surroundings. We envisioned the towers and cables as luminous sails navigating the bay, while the deck and approaches pulsed with welcoming warmth to guide travelers safely home.
- Tower Illumination: The three iconic towers rise like sentinels, bathed in tunable white (3000K–5000K) upward grazing light that accentuates their cable-stayed grace, creating a vertical rhythm visible from afar.
- Cable and Span Glow: Over 1,200 LED cable lights trace the suspension lines with subtle color gradients, evoking the gentle waves below during evening commutes.
- Approach and Deck Integration: Linear edge lighting along the 31-km span ensures uniform visibility, with smart zoning for traffic flow and emergency signaling.
This approach wasn’t just aesthetic; it was engineered for resilience, adhering to the strictest maritime and seismic standards while minimizing energy use in the humid Pearl River Delta environment.Technical Mastery Under Pressure
With the bridge’s official opening looming, our team executed a rigorous, science-driven rollout: meticulous organization, unyielding safety protocols, and ironclad quality controls. We completed the full fixture installation—over 5,000 high-power, IP67-rated LED luminaires—and exhaustive effect tuning ahead of schedule, all while navigating the complexities of a live cross-sea corridor.
Key innovations included:
- DMX512 intelligent control with 10 preset scenes (dawn patrol, peak-hour visibility, festive modes, low-energy standby), synced to weather and traffic sensors for real-time adaptation.
- High-efficacy optics delivering 200–300 lx average illuminance across spans, with zero light pollution to protect the bay’s ecosystem.
- Surge-protected, corrosion-resistant fixtures tested to withstand Category 12 typhoons, ensuring 99.9% uptime.
Our efforts earned resounding acclaim from stakeholders, including a formal commendation letter from the project owner, affirming Guangdong Hongyu’s role in elevating this Greater Bay Area icon.A Bridge to Tomorrow
Tonight, as vehicles hum across the Huangmaohai, the bridge transforms from a vital artery into a poetic light sculpture—uniting Zhuhai and Jiangmen, and symbolizing the Bay Area’s boundless connectivity. It’s a testament to how thoughtful illumination turns infrastructure into inspiration, fostering safer journeys and unforgettable vistas.At Guangdong Hongyu Lighting Engineering Construction Co., Ltd., we’re more than lighting experts; we’re architects of the night, committed to projects that span horizons and spark wonder.Project: Huangmaohai Cross-Sea Bridge Floodlighting
Location: Zhuhai-Jiangmen, Guangdong-Hong Kong-Macao Greater Bay Area
Length: 31 km | World’s Largest Three-Tower Cable-Stayed Span
Completion: 2024
Category: Public Infrastructure
Lighting Design & Implementation: Guangdong Hongyu Lighting Engineering Construction Co., Ltd.