Mason City, Iowa
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13th Street Bridge (Cerro Gordo County, Iowa)
Built 1938Slab bridge over Winnebago River on 12th Street NEOpen to traffic
6th Avenue Bridge (Cerro Gordo County, Iowa)
Lost Concrete deck girder bridge over Willow Creek on 6th AvenueReplaced by a new bridge
C&NW - Elm Drive Overpass (Cerro Gordo County, Iowa)
Built 1902Pony/through plate girder bridge over Elm Drive on Abandoned C&NW RailroadIntact but closed to all traffic
C&NW - Willow Creek Bridge (East) (Cerro Gordo County, Iowa)
Built unknown, Abandoned and Sent to Clear Lake 1983Pony/through plate girder bridge over Willow Creek on Chicago & North Western Railway SpurReplaced by a new bridge
C&NW - Winnebago River Bridge (Cerro Gordo County, Iowa)
Built 1901/2Abandoned warren deck truss bridge over Winnebago River on Abandoned Chicago & Northwestern RailwayAbandoned
Calmus Creek Bridge (Cerro Gordo County, Iowa)
Bridge over Calmus Creek on Holocom Company RoadOpen to private traffic only.
CNW - 13th Street Overpass (Cerro Gordo County, Iowa)
Built 1945-48Abandoned steel stringer bridge over 13th Street NE on Chicago & Northwestern RailwayDerelict/abandoned
CNW - Calmus Creek Bridge (Cerro Gordo County, Iowa)
Built 1947Abandoned steel stringer bridge over Calmus Creek on Chicago & North Western RailwayAbandoned
CNW - State Street Overpass (Cerro Gordo County, Iowa)
Built 1903Pony/through plate girder bridge over E. State Street on Abandoned C&NW RailroadIntact but closed to all traffic
CNW - US18 Overpass (Cerro Gordo County, Iowa)
Built 1957-8Abandoned steel stringer bridge over US 18 on Chicago & North Western RailwayAbandoned
CNW - Willow Creek Bridge (Cerro Gordo County, Iowa)
Built 1937 using secondhand parts from Dayton, IowaDeck plate girder bridge over Willow Creek on abandoned C&NW RailwayAbandoned
Decker Bridge (Cerro Gordo County, Iowa)
Built ca. 1890; Scrapped 1942Lost Pratt through truss bridge over Winnebago River on 14th Street NERemoved
Delaware Avenue Bridge (Cerro Gordo County, Iowa)
Built 1917; Replaced 2011Lost Concrete stringer bridge over Willow Creek on Delaware AvenueReplaced by a new bridge
DME - Norris Park Bridge (Cerro Gordo County, Iowa)
Deck plate girder bridge over Winnebago River on DM&E RROpen to traffic
IA122 Cheslea Creek Bridge (Cerro Gordo County, Iowa)
Built 1915; rehabilitated 1962; Replaced 2010Lost Concrete tee beam bridge over Cheslea Creek on IA 122Replaced by a new bridge
Main Street Bridge (Cerro Gordo County, Iowa)
Built 1910; Removed ca. 1970Lost Closed-spandrel arch bridge over Willlow Creek on Main StreetRemoved
Main Street Triple Bridge (Cerro Gordo County, Iowa)
Built 1897; Replaced ca. 1908Lost Pratt through truss bridge over Willow Creek on Main Street and Mason City & Clear Lake RailwayReplaced by a new bridge
Merrill Avenue Bridge (Cerro Gordo County, Iowa)
Through truss bridge over Willow Creek on Merrill Avenue (Later named Superior Street; Now named Pennsylvania Avenue)Replaced by a new bridge
MILW - Federal Street Overpass (Cerro Gordo County, Iowa)
Built 1938; Replaced 1966Steel stringer bridge over South Federal Street on Chicago, Milwaukee, St. Paul & Pacific RailroadReplaced by a new bridge
MSTL - Willow Creek Bridge (Cerro Gordo County, Iowa)
Lost pratt deck truss bridge over Willow Creek on RailroadReplaced by a new bridge
Pennsylvania Avenue Bridge (Cerro Gordo County, Iowa)
Built 1917; Replaced 1981Lost Open-spandrel arch bridge over Willow Creek on Pennsylvania AvenueReplaced by a new bridge
RI - 25th Street NW Overpass (Cerro Gordo County, Iowa)
Destroyed 1974Lost pony plate girder bridge over 25th Street NW on Chicago, Rock Island & Pacific RailroadDestroyed by collision
State Street Arch Bridge (Cerro Gordo County, Iowa)
Built 1903Stone arch bridge over Willow Creek on East State StreetOpen to traffic
Stewart Avenue Bridge (Cerro Gordo County, Iowa)
Built 1914; rehabilitated 2003Arch bridge over Winnebago River on North Carolina Avenue in Mason CityOpen to traffic
Stewart Street Bridge (Cerro Gordo County, Iowa)
Replaced 1914 by current NRHP bridgeBowstring through truss bridge over Winnebago River on Stewart StreetReplaced by a new bridge
Taylor Bridge (Cerro Gordo County, Iowa)
Built 1924, sidewalk added 1954; Replaced 1997Lost Marsh arch bridge over Winnebago River on Business US 18Replaced by a new bridge
Taylor Bridge (Old) (Cerro Gordo County, Iowa)
Built 1887; Replaced 1924Lost Pratt through truss bridge ober Winnebago River on US18Replaced by a new bridge
UP - 1st Street SW Overpass (Cerro Gordo County, Iowa)
Pony/through plate girder bridge over 1st Street Southwest on Union Pacific RailroadOpen to traffic
UP - Calmus Creek Bridge (Cerro Gordo County, Iowa)
Deck plate girder bridge over Calmus Creek on RailroadOpen to traffic
UP - US18 Overpass (Cerro Gordo County, Iowa)
Built 1958Steel stringer bridge over 5th Street (IA-122) on Union Pacific RailroadOpen to traffic
Willow Creek Bridge (Cerro Gordo County, Iowa)
Built 1880, Lost 1918Lost Pratt through truss bridge over Willow Creek on RoadReplaced by a new bridge
Willowbrook Drive Bridge (Cerro Gordo County, Iowa)
Built 1989Concrete rigid frame bridge over Cheslea Creek on Willowbrook DriveOpen to traffic