Steel Structure Sea-crossing Bridge

Need a tough, reliable bridge to connect coastal cities or islands? Our steel structure sea-crossing bridge is the go-to solution. Perfect for transportation departments and coastal development projects, it pairs corrosion-resistant steel frames with marine-focused design—offering long spans for ship navigation, strong wave resistance, and fast construction to minimize impact on maritime traffic.
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Description

Need a tough, reliable bridge to connect coastal cities or islands? Our steel structure sea-crossing bridge is the go-to solution. Perfect for transportation departments and coastal development projects, it pairs corrosion-resistant steel frames with marine-focused design-offering long spans for ship navigation, strong wave resistance, and fast construction to minimize impact on maritime traffic. Ideal for projects where durability, navigation compatibility, and cross-sea connectivity matter most.

 

Key Features & Material:

 

Made of Q690NH weathering steel + Q960 high-strength steel, it uses 80% prefab bolted segments (reduces on-sea work). Surfaces get multi-layer anti-corrosion coating (resists salt spray) + anti-fatigue treatment. BIM design includes navigation clearance reserves, ship collision prevention devices, and drainage systems-fits medium to large cargo ships.

product-1200-900

Parameter

Specification

Steel Grade

Q690NH/Q960

Main Span

100 - 500m

Navigation Height

15 - 30m

Wave Resistance

≤12m High Waves

Seismic Resistance

Grade 8.5+

 

 

Advantages:

 

Weathering steel stands up to salt spray for 100+ years, cutting maintenance costs. Long spans avoid blocking shipping lanes-ideal for busy sea routes. Prefab segments reduce on-sea construction by 50%, lowering safety risks. Flexible steel structure absorbs wave and earthquake energy, ensuring stability. Lightweight design reduces pier load, saving foundation investment.

 

Services:

 

We offer marine environment simulation, collision prevention system integration, and prefab segment assembly guidance. Our team provides annual salt spray corrosion detection and quick technical support within 4 hours. After-sales includes 50-year core structure warranty and regular anti-fatigue maintenance.

product-800-800

 

FAQ:

 

Q: Can it handle large container ships?

A: Yes-30m navigation height fits most 10,000-ton cargo ships.

Q: Will typhoons damage the bridge?

A: No-its flexible structure and wave-resistant design withstands strong typhoons.

 

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