Bertram, Iowa

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

UP - Big Creek Bridge (Linn County, Iowa)
Pratt pony truss bridge over Big Creek on Union Pacific Railroad
Open to traffic

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