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Iroquois 1780 Bridge

TR-212 Bridge

Iroquois 1780 Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: August 13, 2006

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Facility Carried / Feature Intersected
Iroquois 1780 Over Drainage Ditch
Location
Rural: Iroquois County, Illinois: United States
Construction Date and Builder / Engineer
1910 By Builder/Contractor: Unknown
Rehabilitation Date
Not Available or Not Applicable
Main Span Length
26.2 Feet (8 Meters)
Structure Length
27.2 Feet (8.3 Meters)
Roadway Width
14 Feet (4.27 Meters)
Spans
1 Main Span(s)
Inventory Number
38502809132

Historic Significance Rating (HSR)
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Bridge Documentation

This bridge no longer exists!

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

This historic bridge was demolished and replaced!

This bridge is about as small as truss bridges were ever built. This bridge is not even quite twice as long as its narrow one-lane width! The bridge is a two panel pin connected half-hip Pratt pony truss, the smallest number of panels a Pratt truss can have. As such, it is an unusual case where a bridge has additional historic significance for being small as opposed to big. However, only by seeing bridges like this can a historian truly interpret how widespread and important the metal truss bridge was to late 19th and early 20th Century America. From the tiniest crossings like this, to spans of over 1000 feet, the metal truss bridge was the solution for providing a safe, reliable, and cost-effective crossing.

There is lattice on the vertical member of the trusses. The end post appears to have been damaged. Fortunately, the end posts was repaired and the bridge continues to be in service. 1910 is a given date in the National Bridge Inventory for the construction of the bridge, which is plausible, although it is possible this bridge could be older.

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Photo Galleries and Videos: Iroquois 1780 Bridge

 

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Maps and Links: Iroquois 1780 Bridge

This historic bridge has been demolished. This map is shown for reference purposes only.

Coordinates (Latitude, Longitude):

Search For Additional Bridge Listings:

Bridgehunter.com: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

Bridgehunter.com: View listed bridges within 10 miles (16 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 10 miles (16 kilometers) of this bridge.

2021 National Bridge Inventory: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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