1. Pile Foundations: These are long, slender columns driven into the seabed to provide a strong and stable base for the bridge structure above.
2. Concrete Gravity Structures: These are large concrete blocks or caissons that are immersed in the water and used to support the bridge decks.
3. Barrette Piles: These are a type of drilled foundation that creates a large, rectangular or cylindrical hole in the seabed, which is then filled with concrete to form a support column.
4. Steel-Frame Structures: These are prefabricated steel frames that can be easily transported and assembled on-site. They are commonly used in bridge construction, particularly for larger spans.
5. Cable-Stayed Bridges: These are a type of bridge that uses cables to support the bridge deck. The cables are anchored to towers or piers, providing a strong and stable anchorage for the structure.
6. Suspension Bridges: These are another type of bridge that uses cables to suspend the bridge deck from large, tall towers or pylons. Suspension bridges are capable of spanning large distances and provide an elegant, iconic appearance.
7. Floating Bridges: These are floating structures that are anchored to the seabed and used to cross small waterways. They are typically made from prefabricated sections and are lightweight and easy to transport.
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