Mammoth Spring, Arkansas

Long Run Hollow Bridge (Fulton County, Arkansas)
Abandoned bridge over Long Run Hollow
Derelict/abandoned

Mammoth Spring Bridge (Fulton County, Arkansas)
Lost six-span pony truss bridge over Spring Lake (the outlet of Mammoth Spring)
Demolished in the 1960s

Spring River Bridge (Fulton County, Arkansas)
Built 1951; Replaced 2017
Steel stringer bridge over Spring River on US 63
Replaced by a new bridge

Town Branch Bridge (Fulton County, Arkansas)
Built 1935; rehabilitated 1967
Concrete tee beam bridge over Town Branch on US 63
Open to traffic

US 63 Frisco Railroad Bridge (Fulton County, Arkansas)
Built 1951
Steel stringer bridge over Frisco Railroad on US 63
Open to traffic