This bridge was added to the National Register of Historic Places in 1998. Lumber Specialties produces roof and floor trusses, wall panels as well as providing engineered wood products, steel beams and laminated columns to customers throughout the Midwest.
Founded in 1983, Lumber Specialties operates two facilities in Dyersville and Story City, Iowa that total more than 100,000 square feet of manufacturing space on 64 acres. It is still standing, but has fallen into a state of disrepair. A Leading Distributor of Structural Building Components. The bridge was used lightly until 1990, when the road it was on was abandoned. It was subsequently replaced and moved to its present location, southeast of Ames, Iowa. By 1916, it was no longer sufficient to handle the traffic on its road. This bridge was used frequently, and underwent occasional repairs. The Cambridge bridge had an 80 feet (24 m) truss, and its 3 spans had a combined length of 163 feet (50 m). In 1876, Story County Supervisors contracted with King Iron Bridge Company to build three iron truss bridges, the longest of which would cross the Skunk River, just east of Cambridge, Iowa. It was built in 1876, and was added to the National Register of Historic Places in 1998. The Skunk River Bridge is a Warren truss bridge that crosses Skunk River near Ames, Iowa in Story County, Iowa.