Originally Posted by
Squeezebox
Check with Trailnet in St. louis they can tell you about some paths into IL.
The Old Chain of Rocks Bridge is a great way to cross the Mississippi River - when it's open. It's often locked.
The easiest way from the Katy Trail into Illinois is the Clark Bridge in Alton, IL. RAAM uses it. The Clark Bridge has very wide shoulders and is part of a bike path system.