[Vancouver] New Port Mann Bridge and Highway 1 Expansion
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Additional Images and Renderings http://a123.g.akamai.net/f/123/12465...n?size=620x400 Premier Gordon Campbell's Announcement Source: Glenn Baglo from the Vancouver Sun http://a123.g.akamai.net/f/123/12465...n?size=620x400 Premier Gordon Campbell Source: Glenn Baglo from the Vancouver Sun http://a123.g.akamai.net/f/123/12465...n?size=620x400 Existing Port Mann Source: Glenn Baglo from the Vancouver Sun http://a123.g.akamai.net/f/123/12465...n?size=620x400 Pile Driver, officially starting construction on the Port Mann Bridge Source: Glenn Baglo from the Vancouver Sun http://a123.g.akamai.net/f/123/12465...n?size=620x400 3D Rendering of existing Port Mann Source: Screen Grab from the Vancouver Sun http://a123.g.akamai.net/f/123/12465...n?size=620x400 3D Rendering of new Port Mann Source: Screen Grab from Vancouver Sun http://a123.g.akamai.net/f/123/12465...n?size=620x400 3D Rendering of new Port Mann Source: Screen Grab from Vancouver Sun http://a123.g.akamai.net/f/123/12465...n?size=620x400 3D Rendering of new Port Mann Source: Screen Grab from Vancouver Sun http://a123.g.akamai.net/f/123/12465...n?size=620x400 Toll Plaza and Approach to Port Mann Source: Screen Grab from Vancouver Sun http://a123.g.akamai.net/f/123/12465...n?size=620x400 Toll Plaza and Approach to Port Mann Source: Screen Grab from Vancouver Sun http://a123.g.akamai.net/f/123/12465...n?size=620x400 RapidBus Service on Port Mann Source: Screen Grab from Vancouver sun More information and renderings will be posted when they become available |
The existing arch looks way better than the cable-stayed new design. Seriously, I'm getting tired of those. They were cool back in the 80s, and they still can be if they are given an interesting design (like the Zakim Bridge in Boston). But most of the attempts are just boring.
Nobody builds arch bridges anymore, even though they are jaw-droppingly beautiful. The only recent one I've seen is the Hoover Dam Bypass outside Vegas. |
Problem is... arch bridges are more expensive for large spans.
Suspension bridges used to be popular for large spans... but they were expensive too. Cable-stay bridges are cheaper to build than suspension bridges, but can't span the large distances. They're a happy medium... and they just so happen to be perfect for the distances in Vancouver. If the Lion's gate were built today, I can almost guarantee that it would be built as a cable-stay. edit: I admit, my favorite bridges in metro Vancouver are "Lion's Gate, Skybridge, Alex Fraser" in that order. I will reserve judgement on the new Port Mann until I see more clear renders. |
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I have GOT to get down there and take some pics
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get down where and take pics of what?
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Not to be a jerk, but why can't they build this with fewer piers?
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Is there a structural engineer in the house?
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I guess you also have to consider the curved portion of the bridge. Might be difficult to use cables from the towers there. The bridge would have to be completely straight to do that I think.
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Why is the bridge divided into 2 /3 / 3 / 2 lanes??
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This is common for major highway bridges today... the central lanes are for through traffic, while the outer lanes are for regional traffic. It also allows for greater flexibility with road maintenance or major accidents, where all traffic does not have to shut down.
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