Built 1918 (245)
Built during 1910s (4,414)
Minnesota (430)
One-lane traffic (6,990)
Open (22,297)
Pony truss (9,533)
Riveted (381)
| Rock County, Minnesota (18)
Span length 50-75 feet (4,769)
Total length 75-100 feet (3,415)
Truss (16,269)
Warren pony truss (586)
Warren truss (914)
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