Image by Flickr user slworking2 The Cooper River Bridge is one of the best bridge is in the state.

A 54-year old bridge in Richland County carrying more than half a million vehicles a week is rated South Carolina’s top substandard bridge for the eleventh time, according to AAA Carolinas.

Charleston County topped the list with six bridges among the top 20 substandard bridges. Despite the grim sounding news, the percentage of South Carolina bridges rated substandard decreased from 23% in 2011 to 20% this year. There are currently 1,880 substandard bridges in the state.

You can take a look at the complete list of 2012's substandard bridges or dive on in and read AAA Carolina's official press release here.

Poor quality bridges are nothing new to South Carolina — and we've discussed just how bad and why before.