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Humboldt County

110th Street Bridge [Map]
Through truss bridge over East Fork Des Moines River on 110th Street
Open to one-lane traffic
Built 1911 by the Iowa Bridge Co.

165th Street Bridge [Map]
Steel stringer bridge over Ditch 7 on 165th Street
Open to traffic with a 10 ton load limit.
Built 1948; rehabilitated 1974

240th Street Bridge [Map]
Steel stringer bridge over Drainage ditch on 240th Street
Replaced by a new bridge
Built 1938

260th street bridge [Map]
Steel stringer bridge over small natural stream on 260th Street
Replaced by a new bridge

3 Rivers Trail - 1st Avenue Overpass [Map · Street View]
Pony/through plate girder bridge over 1st Avenue on Three Rivers Trail
Open to pedestrians
Built 1901

3 Rivers Trail - East Fork Des Moines River Bridge [Map]
Deck plate girder bridge over East Fork Des Moines River on Trail
Open to pedestrians only
Built 1902

3 Rivers Trail - Field Road Overpass [Map]
Timber stringer bridge over Unnamed Stream & Road on 3 Rivers Trail
Open to pedestrians only

3 Rivers Trail - Gotch Park Bridge [Map]
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
Built 1901, converted for trail use in 1991

3 Rivers Trail - IA-3 Overpass [Map · Street View]
Steel stringer bridge over IA3 on 3 Rivers Trail
Open to pedestrians only
Built 1956

3 Rivers Trail - Unnamed Stream Bridge [Map]
Closed-spandrel arch bridge over Unnamed Stream on Trail
Open to pedestrians only
Built 1913

3 Rivers Trail - West Fork Des Moines River Bridge [Map]
Deck plate girder bridge over W. Fork Des Moines River on Three Rivers Trail
Open to pedestrians only
Built 1902, Lengthened 1917

3 Rivers Trail Overpass [Map · Street View]
Pony/through plate girder bridge over 3 Rivers Trail on 3 Rivers Trail
Open to pedestrians
Built 1917

Beaver Creek Bridge [Map]
Concrete arch bridge over Beaver Creek on Lone Tree Road (CR P56)
Open to traffic
Built ca. 1900

Berkheimer Bridge [Map]
Through truss bridge over West Fork Des Moines River on 215th Street west of Humboldt
Open to traffic
Built 1899 by the Clinton Bridge & Iron Works; closed 2001; rehabilitated 2005

Blood Run Bridge [Map]
Lost through truss bridge over Blood Run Creek on Oak Avenue north of Livermore
Destroyed by collision; road later abandoned
Built 1901 by the Marshalltown Bridge & Iron Works; destroyed 2003 in car accident

Bormann Bridge [Map]
Through truss bridge over Des Moines River on 130th Avenue
Open to traffic
Built ca. 1900

C&NW Bridge #2544 [Map]
Stone arch bridge over Drainage on Three Rivers Trail
Open to pedestrians only
Built 1902

CNW - Bridge #2539 [Map]
Stone arch bridge over Unnamed Stream on Three Rivers Trail
Open to traffic
Built 1882

Dakota City Bridge [Map]
Lost Pratt through truss bridge over East Fork Des Moines River on 1st Ave N
Replaced by new bridge
Built 1913, Replaced 1988

Dakota City Bridge (Older) [Map]
Lost bowstring through truss bridge over East Fork Des Moines River on local road
Replaced by a new bridge
Built 1871, replaced 1913

Des Moines River Bridge [Map]
Lost Warren pony truss with all verticals bridge over Des Moines River on Road
Replaced by a new bridge
Built 1913

Drainage ditch #18 bridge [Map]
Steel stringer bridge over drainage ditch #18 on 130th Street.
Open to traffic

Drainage ditch #18 bridge [Map]
Steel stringer bridge over drainage ditch #18 on Virginia Avenue
Open to traffic

Drainage ditch #18 bridge [Map]
Bridge over drainage ditch #18 on 130th Street (Humboldt CR C20)
Open to traffic
Built 1970

Drainage ditch #18 timber bridge [Map]
Timber stringer bridge over drainage ditch #18 on Washington Avenue
Posted for 20 ton load
Built 1960

Drainage ditch #18 timber bridge [Map]
Timber stringer bridge over drainage ditch #18 on Xenia Avenue (Humboldt CR P76)
Open to traffic, posted for 48 ton load limit.
Built 1956

Foster Bridge [Map]
Lost Bridge over E.Fork Des Moines River on CSAH C 26 (170th Avenue)
Replaced by new bridge
Replaced 1994

Gotch Park Rd. Bridge [Map]
Stringer bridge over Des Moines River on Gotch Park Rd.
Open to traffic
Built 1961

Grant Street Bridge [Map]
Lost Bowstring through truss bridge over West Fork Des Moines River on Lewis Street
Replaced by new bridge
Built 1877 by the Ohio Bridge Co. of Cleveland; replaced 1906

Hawaii Avenue Bridge [Map]
Steel stringer bridge over Ditch No 7 on Hawaii Avenue
Open to traffic

IA15 McKnights Point Bridge [Map · Street View]
Steel stringer bridge over West Fork Des Moines River on IA 15
Open to traffic
Built 1923; rehabilitated 1958

IA3 East Fork Des Moines River Bridge [Map · Street View]
Steel stringer bridge over East Fork Des Moines River on Iowa Highway 3
Open to traffic
Built 1955

IA3 West Fork Des Moines River Bridge [Map · Street View]
Plate girder bridge over West Fork Des Moines River on Iowa Highway 3
Replaced by a modern bridge
Built 1939, replaced 2007

Indian Creek bridge [Map]
Beam bridge over Indian Creek on Kansas Avenue
Replaced

Indian Creek bridge [Map]
Steel stringer bridge over Indian Creek on Juniper Avenue
Replaced by box culvert

Indian Creek Bridge [Map]
Steel stringer bridge over Indian Creek on Georgia Avenue.
Open to traffic

Indian Creek Bridge [Map]
Steel stringer bridge over Indian Creek on 260th Street
Open to traffic

Jarvis Bridge [Map]
Stringer bridge over West Fork Des Moines River on CSAH P 19
Open to traffic
Built 1973

Lane Timber Bridge [Map]
Steel stringer bridge over Indian Creek on 260th St.
Replaced by railcar pipe culverts
Built 1947

Lewis Street Bridge [Map · Street View]
Lost two-span through truss bridge over West Fork Des Moines River on Lewis Street in Humboldt
No longer exists
Built 1906, closed in the 70s, demolished 1981

Livermore Bridge [Map · Street View]
Lost through truss bridge over East Fork Des Moines River on 120th Street east of Livermore
Replaced by a new bridge
Built 1937, Replaced 2001

Livermore Bridge (Old) [Map]
Lost Pratt through truss bridge over East Fork Des Moines River on Livermore RFD 1
Replaced by a new bridge
Built ?; Replaced 1937

Lott's Creek bridge [Map]
Timber stringer bridge over Lott's Creek on 120th Street
Open to traffic
Built 1954

Lucas Avenue Bridge [Map]
Steel stringer bridge over Ditch No 7 on Lucas Avenue
Open to traffic
Built 1949

MSTL - East Fork Des Moines River Bridge [Map]
Timber stringer bridge over East Fork Des Moines River on Minneapolis & St. Louis Railway
Removed

Murray Bridge [Map]
Through truss bridge over West Fork Des Moines River on 190th Street, southeast of Bradgate
Open to traffic
Built 1905 by A.H. Austin; rehabilitated 1982; damaged in car wreck during 2004

Oak Avenue Bridge [Map]
Lost through truss bridge over Lotts Creek on Oak Avenue (?)
Removed but not replaced
Built 1901

P59 Bridge [Map · Street View]
Bridge over Drainage ditch on Penn Avenue (Humboldt CR P59)
Open to traffic
Built 1970

Prairie Creek bridge [Map]
Lost pony truss bridge over Prairie Creek on 110th Street
No longer exists
Replaced 2003

Prairie Creek Bridge [Map]
Pony truss bridge over Prairie Creek on 120th Street.
Posted for 20 ton load

Prairie Creek Bridge [Map]
Lost pony truss bridge over Prairie Creek on Xenia Avenue
Replaced by a new bridge
Built ca. 1900; replaced 2008

Prairie Creek bridge [Map]
Pony truss bridge over Prairie Creek on Virginia Avenue.
Posted for 20 ton load

Prairie Creek bridge C20 [Map · Street View]
Bridge over Prairie Creek on 130th Street (Humboldt CR C20)
Open to traffic
Built 1968

RI - US169 Overpass [Map]
Steel stringer bridge over US Route 169 on Chicago, Rock Island & Pacific Railroad
Removed but not replaced
Built 1936

Rutland Bridge [Map]
Lost Bowstring through truss bridge over Des Moines River on Road
Collapsed
Built 1874; Collapsed August 1, 1913

Rutland bridge over W. Fork Des Moines River [Map · Street View]
Stringer bridge over West Fork of the Des Moines River on Washington Avenue (Humboldt CR P33)
Open to traffic
Built 1990

Sheridan Avenue Bridge [Map · Street View]
Bridge over Ditch No 7 on Sheridan Avenue (Humboldt CR P29)
Open to traffic
Built 1918; rehabilitated 1983

Sumner Avenue Bridge [Map · Street View]
Three-span concrete arch bridge over West Fork Des Moines River on Sumner Avenue in Humboldt
Demolished
Built 1919; rebabilitated in 2005; Replaced 2014

Thor blacktop bridge [Map]
Concrete stringer bridge over drainage ditch on 250th Street
Open to traffic

Unnamed Bridge over drainage ditch [Map]
Steel stringer bridge over drainage ditch on Hawaii Avenue.
Open to traffic

Unnamed bridge over drainage ditch [Map]
Steel stringer bridge over Drainage Ditch on Iowa Avenue (Humboldt CR P33)
Open to traffic
Built 1955

Unnamed bridge over drainage ditch [Map]
Steel stringer bridge over drainage ditch on Iowa Avenue (Humboldt CR P33)
Open to traffic
Built 1948

Unnamed bridge over drainage ditch [Map · Street View]
Concrete tee beam bridge over drainage ditch on Georgia Avenue
Open to traffic

Unnamed concrete bridge over drainage ditch [Map]
Bridge over drainage ditch on 240th Street
Open to traffic
Built 1955

UP - Bridge #14.09 [Map]
Steel stringer bridge over Unnamed Creek on Union Pacific Railroad
Open to traffic
Steel stringer span added after 1973 from an unknown location

UP - East Fork Des Moines River Bridge (SE of Livermore) [Map]
Deck plate girder bridge over Des Moines River on Railroad
Open to traffic

US169 West Fork Des Moines River Bridge (Old) [Map]
Concrete deck girder bridge over W Fork Des Moines River on US 169
Open to traffic
Built 1935; rehabilitated 1978