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Story County
100th Street Bridge [Map] Concrete deck girder bridge over Bear Creek on 100th StreetOpen to trafficBuilt 1917
115th Avenue Pony Truss Bridge [Map] Lost Warren pony truss bridge over Long Dick Creek on 110th AvenueReplaced by a new bridgeReplaced 1964 and relocated to 580th Avenue
130th Street Bridge [Map] Lost through truss bridge over South Skunk River on CR E18No longer existsBuilt 1939; rehabilitated 1948; replaced 2000
150th Street Bridge [Map] Through truss bridge over South Skunk River on 150th StreetOpen to trafficBuilt 1920 to replace a lost bridge on the Lincoln Highway, moved here in 1952; rehabilitated 1974
16th Street Bridge [Map · Street View] Lost Warren pony truss bridge over South Skunk River on 16th Street in AmesReplaced, one span lays abandoned in a field on west side of waterway, span on the east side of the waterway removed from field in 2015Built 1958; Rehabilitated 1974; Replaced 2007; Spans were meant to be reused on a trail but were 12' short; One span scrapped 2015, other remains "in storage" on the Western bank in hopes of reuse
170th Street Bridge [Map] Through truss bridge over South Skunk River on 170th StreetOpen to trafficBuilt 1939
180th Street Bridge [Map · Street View] Through truss bridge over South Skunk River on 180th Street BridgeReplaced by a new bridgeBuilt 1927; rehabilitated 1974; replaced 2011
248th Street Bridge [Map] Steel stringer bridge over East Branch Indian Creek on 248th StreetClosedBuilt 1936; rehabilitated 1975
265th Street Bridge [Map] Lost pony truss bridge over South Skunk River on 265th StreetRelocatedBuilt 1954; replaced 2005
280th Street Bridge [Map] Pony truss bridge over South Skunk River on 280th StreetOpenBuilt 1929; rehabilitated 1975
325th Street Bridge [Map] Arch bridge over Calamus Creek on 325th Street in MaxwellOpen to trafficBuilt 1905; rehabilitated 1920
640th Avenue Bridge [Map] Steel stringer bridge over East Branch Indian Creek on 640th AvenueReplaced by a new bridgeBuilt 1923; Replaced 2015
6th Street Bridge (1915) [Map] Lost Bridge over Ioway (Formerly Squaw) Creek on 6th StreetDestroyed by floodingBuilt 1915; Destroyed during Great Flood of 1918; Not replaced until 1948
6th Street Culvert [Map] Concrete culvert bridge over College Creek Tributary on 6th StreetOpen to traffic
6th Street Overpass (Old) [Map] Lost Timber stringer bridge over Chicago & North Western Railway on 6th StreetReplaced by a new bridgeReplaced ca. 1966
730th Avenue Bridge [Map] Steel stringer bridge over Minerva Creek on 730th AvenueReplaced by a new bridgeBuilt 1921
Ames Flyover [Map] Steel stringer bridge over Interstate 35 on Northbound Interstate 35/Westbound US30Open to trafficBuilt 2016-2019
Ballard Creek Bridge [Map] Warren pony truss bridge over Ballard Creek on 570th AvenueOpen to trafficBuilt 1927; rehabilitated 1955
Bear Creek Bridge [Map] Pony truss bridge over Bear Creek on 142nd StreetOpen to trafficRehabilitated 1962
Brookside Park Suspension Bridge [Map] Lost Wire suspension bridge over Ioway (Formerly Squaw) Creek in AmesDestroyed by flooding in May, 2008.Destroyed by flooding in May, 2008, Replaced by a MOB in 2009
Cambridge Bridge [Map] Lost Bowstring through truss bridge over South Skunk River on RoadReplaced by a new bridgeBuilt 1876; Replaced 1916
Cemetery Bridge [Map] Concrete culvert over West Branch Indian Creek on PathOpen to pedestrians
CNW - 500th Avenue Overpass [Map] Lost Pony/through plate girder bridge over 500th Avenue on Railroad (CNW)Replaced by a new bridgeBuilt 1899, Replaced 1941
CNW - Field Road Overpass [Map] Lost Deck plate girder bridge over Field Road on Railroad (CNW)Removed but not replacedRemoved after the 1990s aerial imagery, likely after the 1993 floods
CNW - Ioway Creek Bridge [Map] Lost Double-intersection Warren pony truss bridge over Ioway (Formerly Squaw) Creek on Railroad (CNW)Replaced by a new bridgeReplaced 1898
College Creek Pony Truss [Map] Lost Pony truss bridge on Welch Avenue over College CreekReplaced by a new bridgeBuilt 1881; Replaced 1911
Dinkey Bridge [Map] Lost Steel stringer bridge over Ioway (Formerly Squaw) Creek on Fort Dodge, Des Moines & Southern Railroad (former Ames and College Railroad) in AmesDemolishedBuilt 1940; Reinforced 1965; Demolished in 2010
FDDM - Ioway Creek Bridge (Old) [Map] Lost Timber stringer bridge over Ioway (Formerly Squaw) Creek on Fort Dodge, Des Moines & Southern Railroad (former Ames and College Railroad) in AmesReplaced by new bridgeBuilt 1891; Damaged by flooding 1920
FDDM - Zumwalt Station Trestle [Map] Timber stringer bridge over Worle Creek on Fort Dodge, Des Moines, & SouthernNo longer existsBuilt ca 1906; Removed in the 1980s
FDDM/MILW Overpass [Map] Lost Timber stringer bridge over Chicago, Milwaukee, St. Paul & Pacific Railroad on Fort Dodge, Des Moines, & Southern RailwayRemovedBuilt 1915; Removed ?
Hickory Grove Bridge [Map] Lost Steel stringer bridge over Indian Creek on 250th StreetClosed due to flood damageBuilt 1950; Replaced 2015
IA210 Branch Wolf Creek Bridge [Map] Lost concrete arch bridge over a branch of Wolf Creek on IA 210Replaced by new bridgeBuilt 1912; rehabilitated 1949; replaced 1993
Ioway Creek Footbridge [Map] Lost Truss bridge over Ioway (Formerly Squaw) Creek on footpathDestroyed by floodingBuilt in 1907 by the Chicago & North Western Railway; Lost to flooding in 1918
Keigley Branch Boxcar Bridge [Map] Abandoned steel stringer bridge over Keigly Branch Fork on Private DriveAbandonedErected over a fork of Keigley Branch in 1962 by John Gildersleeve; Removed and placed as a shed
Keigley Branch Bridge [Map] Concrete arch bridge over Keigley Branch on 550th AvenueOpen to trafficBuilt 1913 by Koss Construction Co. under the guidance of Conde B. McCullough
Knoll Road Bridge (1881) [Map] Lost Stone arch bridge over College Creek on Knoll RoadReplaced by a new bridgeBuilt 1881; Replaced 1916
Knoll Road Bridge (1916) [Map] Lost Closed-spandrel arch bridge over College Creek on Knoll Road/Union DriveReplaced by a new bridgeBuilt 1916; Replaced 2004
Long Dick Creek Bridge [Map] Warren pony truss with all verticals bridge over Long Dick Creek on 400th StreetOpen to trafficBuilt 1956; rehabilitated 1974
McHone Drive Bridge [Map] Steel stringer bridge over Tributary of Rock Creek on McHone DriveAbandonedBuilt 1918; rehabilitated 1974
MILW - IA210 Overpass [Map · Street View] Lost Slab bridge over Main Street/IA 210 on Chicago, Milwaukee, St. Paul & Pacific RailroadRemoved but not replacedBuilt 1912; Removed 1985
MILW - Indian Creek Bridge (1907) [Map] Lost Warren pony truss bridge over Indian Creek on Chicago, Milwaukee, St. Paul & Pacific RailroadReplaced by a new bridgeBuilt 1907, Replaced 1912
Minnesota Avenue Overpass (Old) [Map] Lost Double-intersection Warren pony truss bridge over Chicago & North Western Railway on Minnesota AvenueReplaced by a new bridgeBuilt 1901; Replaced 1980
Morrill Road Bridge [Map] Lost Closed-spandrel arch bridge over College Creek on Morrill RoadFilled inBuilt 1916; Filled in ca. 1963 as part of re-construction on the 1933 CCC-built Lake LaVerne Diversion Channel .
North Road Bridge (Old) [Map] Lost Queenpost pony truss bridge over Ioway (Formerly Squaw) Creek on North RoadReplaced by a new bridgeBuilt ?; Repaired 1893; Replaced 1915
Old 190th Street Bridge [Map] Abandoned arch bridge over Old Channel East Branch Indian Creek on Old Alignment of 190th StreetAbandoned
Red Bridge [Map] Lost Pratt through truss bridge over South Skunk River on roadDestroyed by floodLost to flooding in 1918
Red Bridge [Map] Warren through truss over South Skunk River on Broad StreetReplaced by a new bridge
Sanitarium Bridge [Map] Lost Closed-spandrel arch bridge over West Indian Creek on 8th StreetReplaced by a new bridgeBuilt circa 1908 ; Replaced 1936
Skunk River Bridge [Map] Warren through truss bridge over Skunk River on (Vacated) 255th Street (Ken Maril Road) in AmesAbandonedBuilt 1876; moved here 1916; rehabilitated 1974; abandoned 1990
Soper's Mill Bridge [Map] Lost Bowstring pony truss bridge over South Skunk RiverDestroyed by floodBuilt on September 1, 1876 near Sopers Mill, lost to flooding on June 17th, 1996
South Duff Avenue Bridge [Map] Concrete bridge over Ioway (Formerly Squaw) Creek on US69/South Duff AvenueOpen to trafficBuilt 1924; Reconstructed 2006
South Duff Avenue Bridge (Old) [Map] Lost Pony/through plate girder bridge over Ioway (Formerly Squaw) Creek on South Duff AvenueReplaced by a new bridgeBuilt 1919, Replaced 1924
Squaw Creek Park Trail Bridge [Map] Lost through Plate Girder bridge over Ioway (Formerly Squaw) Creek on TrailReplaced by a MOBBuilt 1917, Abandoned & converted to trail use in 1984, Damaged by ice in 2009., Damaged by floodwaters in 2010 & Closed, Replaced in November 2012
Stange Road Bridge [Map] Lost Concrete deck girder bridge over Ioway (Formerly Squaw) Creek on Stange RoadReplaced by new bridgeBuilt 1915, Replaced 1965
Story City Arch Bridge [Map] Lost Closed-spandrel arch bridge over South Skunk River on RoadReplaced by a new bridgeReplaced 1952
Swinging Bridge [Map · Street View] Bridge over South Skunk River on Pedestrian trailOpen to pedestriansBuilt 1936; Damaged during flooding March 2019; Repaired & Reopened December 2019
UP - 3rd Street Bridge [Map] Steel stringer bridge over 3rd Street (County Road S14) on Union Pacific RailroadOpen to trafficBuilt 1936
UP - Bridge #109.90 [Map] Steel stringer bridge over Tributary of East Indian Creek on Union Pacific RailroadOpen to traffic
UP - Bridge #173.17 [Map] Stone culvert bridge over Intermittent Stream on Union Pacific RailroadOpen to trafficBuilt 1890, Extended 1901
UP - Bridge #180.97 [Map] Stone arch bridge over Unnamed Creek on Union Pacific RailroadOpen to trafficBuilt 1899
UP - Clear Creek Stone Arch [Map] Stone arch bridge over Clear Creek on Union Pacific Railroad within Pammel WoodsOpen to trafficBuilt 1882, Widened 1900
UP - Horse Tunnel [Map · Street View] Tunnel under railroad on sidewalk on Iowa State University CampusOpen to pedestrians onlyBuilt 1900; Sidewalk installed 1962
UP - Ioway Creek Bridge [Map · Street View] Deck girder bridge twin spans over Ioway (Formerly Squaw) Creek on Union Pacific RailroadOpen to trafficBuilt 1898 by Lassig Bridge & Iron Works replacing a pony truss bridge, one span replaced later
UP - Lincoln Highway Overpass [Map · Street View] Bridge over E-41 (The Lincoln Highway) on Union Pacific Double Mainline (Formerly Chicago & North Western Railway)Open to trafficBuilt 1918 (according to stamp on abutment, plate says 1917)
Veenker Memorial Golf Course Suspension Bridge [Map] Wire suspension bridge over Ioway (Formerly Squaw) Creek on Veenker Memorial Golf Course PathReplaced by an ugly MOBBuilt 1938; Cable failed & bridge removed November 2014; Replaced April 2015
Walnut Creek Bridge [Map] Lost concrete arch bridge over Walnut Creek on a 564th AvenueReplaced by new bridgeBuilt 1911; replaced 1995
Wilcox Creek Bridge [Map] Lost Steel stringer bridge over Wilcox Creek on Sand Hill TrlReplaced by a new bridgeBuilt 1940; rehabilitated 1974; replaced 2018
Wolf Creek Bridge [Map] Arch bridge over Wolf Creek on 115th AvenueOpen to trafficBuilt 1914; rehabilitated 1940
Worle Creek Bridge [Map] Steel stringer bridge over Worle Creek on South Dakota AvenueReplaced by a new bridgeBuilt 1955; Replaced 2010