(Rock, 1893) on the Katy Trail W. of Rocheport (Boone County), Howard County, MO. Central St. S. 2 blocks from jct with 3rd St. in Rocheport, W. on 1st St. 2 blocks, park & walk 600’ W. on the Katy Trail to the bridge. Railroad tunnel open only to pedestrians and cyclists. (N38 58.67 W92 34.19) Photos by Jack Schmidt 1-26-06.