Question to engineers about that bridge collapse…..?

 Question to engineers about that bridge collapse…..? thumbnail

Am I the only person that finds it odd that someone would make an ARCH bridge where the arch is made out of steel?
The arch in an arch bridge is always under compression, and steel is not that great under compression. I think a small layer of steel reinforced concrete under the steel arches would [...]


Upper Steel Arch Bridge

 Upper Steel Arch Bridge thumbnail

Niagara Falls Upper Arch Bridge. View of US Side from Canadian side.


6th Avenue reopens early after light-rail bridge work completed

 6th Avenue reopens early after light-rail bridge work completed thumbnail

6th Avenue reopens early after light-rail bridge work completed
RTD has reopened Sixth Avenue east of Simms Street and Union Boulevard after completing work on a light-rail bridge earlier than expected.
Read more on Denver Post


150-ton bridge installed in Rogers County

 150-ton bridge installed in Rogers County thumbnail

150-ton bridge installed in Rogers County
A slew of hard hats turned out Wednesday for some heavy lifting in Rogers County, the spectacle being the installation of a 150-ton bridge.
Read more on Tulsa World


What effect does stress have on a steel arch deck truss bridge?

 What effect does stress have on a steel arch deck truss bridge? thumbnail

I wonder if the re-routing of eight lanes of traffic onto four lanes would cause a stress factor of which the four lanes were not designed to with-stand. Thus causing, as in the case of the Minnesota I-35W , a collapse of the structure.
Incoming search terms for the article:http://www archculvert com/steel/what-effect-does-stress-have-on-a-steel-arch-deck-truss-bridge htmlsteel arch deck truss [...]


McHugh Completes Fox River Bridge Six Months Early

 McHugh Completes Fox River Bridge Six Months Early thumbnail

McHugh Completes Fox River Bridge Six Months Early
James McHugh Construction Co. has completed reconstruction of the original 10-span arch bridge over the Fox River on the Reagan Memorial Tollway six months ahead of schedule, McHugh officials announced.
Read more on PR Newswire via Yahoo! Finance
Incoming search terms for the article:fox river bridge


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