Significance: Bridge No. 18 is significant for its Warren truss design features, as well as for its relation to the history of transportation in the St. Croix Valley and the history of Hudson, Wisconsin. Surve More
Significance: Bridge No. 16 was significant for its Warren truss design features, as well as for its role in the history of transportation in the Upper Midwest. Survey number: HAER WI-64 Building/structure da More