Frankford Arch / Slab Bridge
(Pike County, Missouri)Unknown HistorySlab bridge over Tributary of Peno Creek on former Frankford - Louisiana PikeIntact but in danger of eventual collapse.
(Cherokee County, Kansas)Built by Misouri, Oklahoma and Gulf Railway in 1912, acquired from receiver in 1918 by KO&GAbandoned bridge over Tributary of Spring River on Kansas, Oklahoma & Gulf RWDerelict/abandoned
Mallard Road Bridges
(Rockingham County, New Hampshire)Concrete rigid frame bridge over Mallard Road on Windham Rail-Trail & Concrete slab bridge over Flatrock Brook on Mallard RoadOpen to traffic
Saint Croix-Vanceboro Bridge
(Washington County, Maine)Built 1997Concrete slab bridge over St. Croix River (Spednik Lake) on ME 6 / NB 4Open to traffic