This article needs additional citations for verification. (May 2021) |
 Floating cable-stayed suspension bridge | |
| Ancestor | Suspension bridge |
|---|---|
| Related | Suspension bridge; Underspanned suspension bridge; see also cable-stayed bridge |
| Carries | Pedestrians, bicycles, livestock, automobiles, trucks, light rail |
| Span range | long |
| Movable | No |
A floating suspension bridge is a type of suspension bridge supported by towers built on floating pontoons which are tethered to the seabed. The design is intended to overcome the difficulties of building suspension towers in locations where the water is particularly deep. As of 2025[update] no such bridges have been built, but planning was done to build one in Norway, at Bjørnafjord, designed by engineer Ian Firth.[1] The bridge was later turned into a floating pontoon bridge with a conventional cable-stayed bridge secured to bedrock.[2][3][4]
See also
- Floating cable-stayed bridge
- Cable-stayed suspension bridge
- Intercontinental and transoceanic fixed links
- Strait of Gibraltar
- Straits of Tiran
References
- ^ "Norway is getting a floating suspension bridge tethered to the bottom of the sea — and it could change the way we make bridges". BusinessInsider.
- ^ "Bjørnafjorden floating bridge - Norconsult". norconsult.com. Retrieved 30 August 2025.
- ^ CONCEPT DEVELOPMENT FLOATING BRIDGE E39 BJØRNAFJORDEN - Design of cable stayed bridge (PDF) (Report). Statens vegvesen. 15 August 2019. Retrieved 29 August 2025.
- ^ CONCEPT DEVELOPMENT FLOATING BRIDGE E39 BJØRNAFJORDEN - K12 - Design of abutments (PDF) (Report). Statens vegvesen. 15 August 2019. Retrieved 29 August 2025.
Further reading
- Floating suspension bridges - Long span bridges - Research - Structural Dynamics - Department of Structural Engineering - NTNU
- Moe, Ole Harald; Aas-Jakobsen, Ketil; Amdahl, Jørgen (2017). "Analysis of tether anchored floating suspension bridge subjected to extreme environmental loads". Procedia Engineering. 199: 3033–3038. doi:10.1016/j.proeng.2017.09.536.
- https://www.vegvesen.no/vegprosjekter/ferjefriE39/konferanse/teknologidagene2015/_attachment/1023556?_ts=14ff54620d0&fast_title=11+-+Johannes+Veie++Presentation+of+TLP-concept+Teknologidagene.pdf Archived 17 May 2021 at the Wayback Machine
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