Built 1923 (641)
Built during 1920s (10,256)
Clay County, Iowa (37)
Iowa (6,793)
Iowa State Highway Commission (835)
Little Sioux River (57)
Lost (28,454)
Lost 1976 (107)
Lost during 1970s (944)
| Owned by county (21,607)
Pony truss (17,011)
Replaced by new bridge (19,352)
Span length 75-100 feet (6,651)
Spencer, Iowa (7)
Total length 175-250 feet (4,475)
Truss (35,441)
Warren pony truss (3,556)
Warren truss (7,000)
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