article_snippet.sent: Indeed, according to a former US Transport Secretary, Ray LaHood said there are 70,000 bridges that have been deemed structurally deficient across America.
article_snippet.sent: Across America there are 607,380 bridges according to the ASCE and 607,380 bridges have an average lifespan of 42 years.
article_snippet.sent: Out of 607,380 bridges, one in nine is considered to be structurally problematic.
article_snippet.sent: Chief among those are the Storrow Drive Bridge in Boston, which has cement too thick for its steel structure to continue supporting and the US Route 1/9 Bridge over the Passaic River in New Jersey, which is rusted.