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Iowa DOT Uses Modular Construction to Replace Bridge in 3 Weeks

The Iowa Department of Transportation is using accelerated bridge construction (ABC) to replace the Little Silver Creek Bridge in 21 days.

October 05, 2015

The Iowa Department of Transportation is using accelerated bridge construction (ABC) to replace the Little Silver Creek Bridge in 21 days.

This will be the Iowa DOT's second ABC bridge project using the modular construction method. With the modular construction technique, the bridge is divided into several large pieces, or modules, that are prebuilt before the road is closed.  Since much of the bridge can be prefabricated off site, the amount of time the road needs to be closed is dramatically reduced. 

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