Three Rivers Trail

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3 Rivers Trail - 1st Avenue Overpass (Humboldt County, Iowa)
Built 1901
Pony/through plate girder bridge over 1st Avenue on Trail
Open to pedestrians

3 Rivers Trail - East Fork Des Moines River Bridge (Humboldt County, Iowa)
Built 1902
Deck plate girder bridge over East Fork Des Moines River on Trail
Open to pedestrians only

3 Rivers Trail - Field Road Overpass (Humboldt County, Iowa)
Timber stringer bridge over Unnamed Stream & Road on 3 Rivers Trail
Open to pedestrians only

3 Rivers Trail - Gotch Park Bridge (Humboldt County, Iowa)
Built 1899, converted for trail use in 1991
Through truss bridge over East Fork Des Moines River on the Three Rivers Bike Trail at Gotch Park near Humboldt
Open to pedestrians and bicyclists only

3 Rivers Trail - IA-3 Overpass (Humboldt County, Iowa)
Built 1956
Steel stringer bridge over IA3 on 3 Rivers Trail
Open to pedestrians only

3 Rivers Trail - Keystone Bridge (Pocahontas County, Iowa)
Built 1903
Stone arch bridge over Crooked Creek on Three Rivers Trail
Open to pedestrians only

3 Rivers Trail - Unnamed Stream Bridge (Humboldt County, Iowa)
Closed-spandrel arch bridge over Unnamed Stream on Trail
Open to pedestrians only

3 Rivers Trail - Unnamed Tributary of Pilot Creek (Pocahontas County, Iowa)
Pony plate girder bridge over Crooked Creek on 3 Rivers Trail
Open to traffic

3 Rivers Trail - West Fork Des Moines River Bridge (Humboldt County, Iowa)
Deck plate girder bridge over Des Moines River on Trail
Open to pedestrians only

3 Rivers Trail Overpass (Humboldt County, Iowa)
Built 1917
Pony/through plate girder bridge over 3 Rivers Trail on 3 Rivers Trail
Open to pedestrians