IA 1
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BNSF - IA1 Overpass (Jefferson County, Iowa)
Built 1934Steel stringer bridge over IA 1 on Railroad (BNSF)Open to traffic
Burlington Street Bridge (1915) (Johnson County, Iowa)
Built 1915; rehabilitated 1986Three-span arch bridge over Iowa River on North/Eastbound IA 1/Burlington Street in Iowa CityOpen to traffic
DME - IA1/IA92 Overpass (Washington County, Iowa)
Built 1955Steel stringer bridge over Highway 1 on MILW RailroadOpen to traffic
IA1 Culvert (Johnson County, Iowa)
Concrete culvert bridge on IA 1/IA 11
IA1 English River Deck Truss (Washington County, Iowa)
Built 1922; Replaced 1979Lost Deck truss bridge over English River on IA 1Replaced by a new bridge
IA1 Overpass (Van Buren County, Iowa)
Lost Timber stringer bridge over RI railroad on Hwy 1Replaced with a fill once the railroad removed
IA1 Ralston Creek Bridge (Johnson County, Iowa)
Built 1932; rehabilitated 2004Steel stringer bridge over Ralston Creek on IA 1/Burlington StreetOpen to traffic
IA1 Skunk River Bridge (Washington County, Iowa)
Built 1953; Rehabilitated 1972; Replaced 2015Lost Steel stringer bridge over Skunk River on Ia 1Replaced by a new bridge
IA1 Walnut Creek Bridge (Washington County, Iowa)
Built 1922; rehabilitated 1953, Replaced 2006Concrete tee beam bridge over Walnut Creek on IA 1Replaced by a new bridge
Ivanhoe Bridge (Old) (Linn County, Iowa)
Built 1946; replaced 1992Lost through truss bridge over Cedar River on IA 1Replaced by new bridge
Keosauqua Bridge (Van Buren County, Iowa)
Built 1939, Replaced 2007Lost through truss bridge over Des Moines River on IA 1 in KeosauquaReplaced by new bridge
RI - IA1 Overpass (Jefferson County, Iowa)
Built 1945, abandoned and removed 1983Lost through plate girder bridge over IA 1 on former Rock Island RRRemoved
Rochester Avenue Bridge (Johnson County, Iowa)
Built 1934; Replaced 2013Steel stringer bridge over Ralston Creek on Rochester AvenueReplaced by a new bridge