A major US bridge in the northwestern Washington State has collapsed, dumping vehicles and people into the river below as three wounded folks were pulled out of the chilly waterway…
The bridge was built in 1955 and has a sufficiency rating of 57.4 out of 100, according to federal records. However, 759 bridges in the state have an even lower sufficiency score.
Washington State, according to local press reports, was given a C grade in the American Society of Civil Engineers’ 2013 infrastructure report card and a C- for the state’s bridges…
http://www.presstv.ir/detail/2013/05/24/305152/us-bridge-collapse-impacts-major-route/
Speak Your Mind