Quote:
Originally Posted by Lomac
No, this is not the first time it's happened in the past (I can remember it happening only once on the old Port Mann in the past), but it happens so infrequently that it's almost a non-issue when it comes to bridge designs down here.
|
When you think about it, all the old "arch" style bridges have plenty of structure over the roadway as well - lots of room for ice and snow to build up and then fall off. The only significant difference here is that the supports are all sharply sloped, rather than horizontal.