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Bridges of Humboldt County

East approach to Dakota City and Humboldt, Iowa with Dakota City Bridge (1871-1913) on right. Third bridge built on this site.

Dakota City Bridge (1871-1913) on right. Third bridge built on this site.

Road leads up to railway viaduct, train steaming across.

Dakota City Bridge (1913-1987). Fourth bridge built on this site.

Grant Street Bridge (1877-1906) across West Fork of Des Moines River. Second bridge built on this site.

Grant Street Bridge (1908-1981). Third bridge built on this site.

Early 1868 photo of Springvale and Grant Street Bridge (1867-1877). First bridge built on this site.

Grant Street Bridge (1908-1981). Third street built on this site.

Detail of Sumner Avenue Bridge (2007), completed 1922

Sumner Avenue Bridge (2007), completed 1922

Sumner Avenue Bridge (2007), completed 1922

Sumner Avenue Bridge shortly after completion in 1922

Sumner Avenue Bridge (2007), completed 1922