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UP County B20 Bridge

I-Beam Bridge over County Road B20
North of Mason City, Cerro Gordo County, Iowa

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Name UP County B20 Bridge
Built By Chicago Great Western Railway
Contractor Clinton Bridge Works of Clinton, Iowa
Currently Owned By Union Pacific Railroad
Length 25 Feet Total
Width 1 Track
Height Above Ground 13 Feet (Estimated)
Superstructure Type I-Beam
Substructure Type Concrete
Date Built 1928
Traffic Count 15 Trains/Day (Estimated)
Current Status In Use
UP Bridge Number 195.63
Significance Local Significance
Documentation Date July 2013 (Photos #1-5); March 2015 (Photos #6-9)

This small steel stringer bridge crosses County Road B20 north of Mason City.
Built in 1928, the bridge features a single I-Beam, fabricated by Clinton Bridge Works, a small regional bridge producer. The bridge sits on concrete substructures.
Overall, the bridge appears to be in fair condition.

Citations

Source Type

Source
Build Date Clinton Bridge Works plaque
Contractor Clinton Bridge Works plaque
Railroad Line History Source ICC Valuation Information, Compiled by Richard S. Steele


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