Katy Trail Cycling

The Discovery Bridge is a pair of truss bridges carrying Missouri Route 370 across the Missouri River between St. Louis County and St. Charles County, in the U.S. state of Missouri.The shoulder on both sides is designated a bicycle (and pedestrian) path. Separate bicycle/pedestrian access ramps are available immediately on both sides of the bridge.

The Wabash Bridge carries a single track railroad from St. Louis County to the city of St. Charles. It is positioned next to the Discovery Bridge. It is used by the freight trains of Norfolk Southern Railway.