logo

CN Old US-20 Bridge #2

Through Girder Bridge over Old Highway Road (Former US-20)
Farley, Dubuque County, Iowa

Click the Photo Above to See All Photos of This Bridge!
Name CN Old US-20 Bridge #2
Built By Illinois Central Railroad
Contractor Unknown
Currently Owned By Canadian National Railway
Length 114 Feet Total, 60 Foot Main Span
Width 1 Track
Height Above Ground 15 Feet (Estimated)
Superstructure Type Through Plate Girder and Trestle
Substructure Type Concrete and Timber Pile
Date Built 1928
Traffic Count 6 Trains/Day (Estimated)
Current Status In Use
CN Bridge Number 205.18
Significance Local Significance
Documentation Date September 2017


This standard through girder bridge crosses Old Highway Road (formerly US-20) just east of Farley.
Originally constructed in 1928, the deck girder was built after US-20 was authorized. While some other structures this route were built earlier, this one likely replaced a smaller trestle.
In addition, the bridge is skewed and set onto concrete substructures, as well as approached by trestle.
Overall, the bridge remains in fair condition.

The author has ranked this bridge as being locally significant, due to the common design.
The photo above is an overview of the bridge. It can be accessed from the road below.

Citations

Source Type

Source

Build Date 1973 Illinois Central track profile
Railroad Line History Source ICC Valuation Information, Compiled by Richard S. Steele