Boone River (25)
Built 1923 (641)
Built during 1920s (10,256)
Hamilton County, Iowa (47)
IA 17 (3)
Iowa (6,793)
Iowa State Highway Commission (835)
Lost (28,488)
| Lost 1972 (97)
Lost during 1970s (946)
Pony truss (17,012)
Replaced by new bridge (19,375)
Truss (35,469)
Warren pony truss (3,558)
Warren truss (7,002)
Webster City, Iowa (20)
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