Abandoned (3,682)
Built 1925 (1,276)
Built during 1920s (9,956)
Iowa (6,528)
Iowa State Highway Commission (814)
Marion County, Iowa (125)
One-lane traffic (7,613)
Owned by county (20,849)
| Pony truss (16,241)
Span length 25-50 feet (15,708)
Total length 50-75 feet (9,318)
Truss (32,958)
Warren pony truss (3,370)
Warren pony truss with all verticals (461)
Warren truss (6,580)
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