The TRRA owns and operates the MacArthur and Merchants bridges, the two Mississippi River railroad crossings in the St. Louis metropolitan area.

[3] In the same year, the TRRA began a $57.3 million renovation of the MacArthur Bridge that includes replacing the 1912 main span girders and rebuilding the Broadway truss in downtown St.

[5] The railroad's predecessor companies in St. Louis date to 1797, when the town was still part of Spanish Upper Louisiana.

In 1902 when the Rock Island Line joined the Terminal Railroad, the ownership of the Wiggins Illinois property was complete.

The station would close in 1978 when Amtrak moved to a temporary facility several hundred yards to the east.

The railroad's practice of charging a tariff to coal trains crossing the Mississippi River persuaded several industries to set up shop in Illinois rather than Missouri.

In 2020 the TRRA received the American Short Line and Regional Railroad Association's Veteran Engagement Award.