Flint Hills Nature Trail

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The Flint Hills Nature Trail is a rail-to-trail conversion of the former Missouri Pacific (later Union Pacific 1982-1996) Osawatomie to Herington, KS main line. From Herington, the line extends west to Pueblo, Colorado but is not part of the trail at this time. This was a secondary line for UP and saw very little traffic from 1982-95, except during the 1993 flood when traffic was detoured to it heavily until the water receded on other lines. Removal began in places around 1995 and was finished by early '97. UP has rail banked this line for 50 years and has until 2045 to reactivate it for use until full abandonment is installed. For now, a "land use" has been granted to the Kanza Rail Trail conservation to use it for a hiking/bike trail.


Flint Hills Nature Trail - 110 Mile Creek Bridge (Osage County, Kansas)
Pony/through plate girder bridge over 110 Mile Creek on Flint Hills Nature Trail
Open to pedestrians

Flint Hills Nature Trail - 142 Mile Creek Bridge (Lyon County, Kansas)
Bridge over Unknown creek on Flint Hills Nature Trail (former MoPac railroad)
Open to pedestrians only

Flint Hills Nature Trail - Allen Creek Bridge (Lyon County, Kansas)
Bridge over Allen Creek on Flint Hills Nature Trail (former Mopac railroad)
Open to pedestrians only

Flint Hills Nature Trail - Big John Creek Bridge (Morris County, Kansas)
Bridge over Big John Creek on Flint Hills Nature Trail (former MoPac railroad)
Open to pedestrians only

Flint Hills Nature Trail - Elm Creek Bridge (Lyon County, Kansas)
Girder bridge over Elm Creek on Flint Hills Nature Trail (former MoPac railroad)
Open to pedestrians only

Flint Hills Nature Trail - K99 Overpass (Lyon County, Kansas)
Deck plate girder bridge over Kansas State Highway 99 on Flint Hills Nature Trail (former MoPac railroad)
Open to pedestrians only

Flint Hills Nature Trail - Little John Creek Bridge (Morris County, Kansas)
Bridge over Little John Creek on Flint Hills Nature Trail (former MoPac railroad)
Open to pedestrians only

Flint Hills Nature Trail - Marais des Cygnes River Bridge (Franklin County, Kansas)
Built 1903
Warren through truss bridge over Marais des Cygnes River on Flint Hills Nature Trail
Open to pedestrians only

Flint Hills Nature Trail - Middle Creek Bridge (Franklin County, Kansas)
Built 19?? by the American Bridge Co. Converted to pedestrian use ca. 2009.
Warren through truss bridge over Middle Creek on Flint Hills Nature Trail (rail trail)
Open to pedestrians

Flint Hills Nature Trail - Neosho River Bridge (Morris County, Kansas)
Pony/through plate girder bridge over Neosho River on Flint Hills Nature trail
Open to pedestrians only

Flint Hills Nature Trail - Old Crawford Road Overpass (Osage County, Kansas)
Bridge over Former alignment of Crawford Rd on Flint Hills Nature Trail (former MoPac railroad)
Open to pedestrians only

Flint Hills Nature Trail - Rock Creek Bridge (Morris County, Kansas)
Bridge over Rock Creek on Flint Hills Nature Trail (former MoPac railroad)
Open to pedestrians only

Future Flint Hills Nature Trail - US56 Overpass (Morris County, Kansas)
Built 1931; bypassed late 90's
Deck Girder bridge over former alignment of US 56 on Future Flint Hills Nature Trail
Open to pedestrians only