Bertram, Iowa

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Big Creek Road Bridge (Linn County, Iowa)
Built 1893, rehabilitated in 1929
Pratt through truss bridge over Big Creek on Big Creek Road in Bertram
Open to traffic

Blaine's Crossing (Linn County, Iowa)
Built around 1910, made obsolete when the Hwy. 151 bypass bridge was built in 1965, later abandoned
Abandoned pratt through truss bridge over Big Creek on Abandoned road (formerly US 151)
Abandoned

CNW - Indian Creek Bridge (Linn County, Iowa)
Lost Through truss bridge over Indian Creek on Railroad
Replaced by a new bridge

CRandIC - Bertram Flyover (Linn County, Iowa)
Built 1913; Removed ca. 1928
Girder bridge over Big Creek & Chicago & North Western Railway on Cedar Rapids & Iowa City Railway
Removed

Ely Street Bridge (Linn County, Iowa)
Built 1891 by J.E. Jayne & Son; Washed away 2014; Removed from NRHP 12-8-14, replacement bridge underway.
Through truss bridge over Big Creek on Ely Street in Bertram
Washed away by floods

UP - Big Creek Bridge (Linn County, Iowa)
Bypassed and Replaced 2017
Pratt pony truss bridge over Big Creek on Union Pacific Railroad
Derelict/abandoned

UP - Indian Creek Bridge (Linn County, Iowa)
Steel stringer bridge over Indian Creek on Railroad
Open to traffic