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IAIS Bridge #423.2

Deck Plate Girder Bridge over Unnamed Creek
Anita, Cass County, Iowa

Click the Photo Above to See All Photos of This Bridge!
Name IAIS Bridge #423.2
Built By Chicago, Rock Island & Pacific Railroad
Contractor American Bridge Company of New York
Currently Owned By Iowa Interstate Railroad
Length 30 Feet Total
Width 1 Track
Height Above Ground 15 Feet (Estimated)
Superstructure Type Deck Plate Girder
Substructure Type Concrete
Date Built 1912
Traffic Count 2 Trains/Day (Estimated)
Current Status In Use
IAIS Bridge Number 423.2
Significance Local Significance
Documentation Date November 2016


Located along White Pole Road (County G30) east of Anita, this small deck girder bridge crosses a branch of Turkey Creek.
Built in 1912, this bridge consists of a short twinned deck girder. Twinned deck girders were commonly used for shorter spans, as they allowed a bridge to use thinner girders. The resulting beam pattern is a four beam set. The bridge sits on concrete substructures.
Girder bridges like this were common to cross small streams and rivers. This girder is a standardized design.
Overall, the bridge appears to be in good condition, and was well maintained in the Rock Island days.

The author has ranked this bridge as locally significant, due to the common design.
The photo above is an overview.

Citations

Source Type

Source

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