Bloomingpedia:This week's featured article/2007 Week 8
The Greene County Viaduct, which is officially known as Bridge X75-6 and also known as the Tulip Trestle, is a half mile long train bridge in Greene County, about 21.75 miles from Bloomington (from the intersection of SR 45 and Curry Pike). It was built in December of 1906 and is the third longest bridge of its kind in the world. It has 18 towers for support.
The original cost of the bridge was $246,504 which was estimated in 2004 dollars to be around $20 million.