Hallsville, Missouri

Wabash Railroad Bridge #687 (Boone County, Missouri)
Original bridge built 1868; replaced at a later date by corrugated iron pipe by Wabash RR
Stone culvert bridge over Unknown creek on Wabash Railroad
Replaced by a new bridge

Wabash Railroad Bridge #687B (Boone County, Missouri)
Original bridge built 1868
Stone culvert bridge over Unknown creek on Wabash, later N&W, later NS, now COLT Railroad
Open to rail traffic