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Old Clays Ferry Bridge

Old Clays Ferry Bridge

Primary Photographer(s): Elaine Deutsch

Bridge Documented: July 8, 2013

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Key Facts

Facility Carried / Feature Intersected
Old Richmond Road (KY-2328, Old US-25) Over Kentucky River
Rural: Fayette County, Kentucky and Madison County, Kentucky: United States
Construction Date and Builder / Engineer
1869 By Builder/Contractor: Louisville Bridge and Iron Company of Louisville, Kentucky

Technical Facts

Rehabilitation Date
Main Span Length
217 Feet (66.14 Meters)
Structure Length
443 Feet (135.03 Meters)
Roadway Width
16.4 Feet (5 Meters)
2 Main Span(s)
NBI Number

Historic Significance Rating (HSR)

Bridge Documentation

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

This bridge is one of the most important historic bridges in Kentucky. Several aspects of this bridge make it nationally significant. First, the bridge was built in 1869, which makes it among the oldest metal bridges in the country. Any metal bridge dating to before 1870 is exceedingly rare in North America. The other most significant aspect of this bridge is its use of cast iron for primary structural members, which is one of the rarest features to be found on a historic bridge. Cast iron truss bridges are one of the rarest types of historic bridge in the country. This bridge uses cast iron for its top chord. Additionally, the struts for this bridge are also cast iron. Finally, the bridge is also significant as a rare example of a pin-connected Warren truss. Warren trusses usually have riveted connections.

Little was known about the history of this bridge's design and construction. HistoricBridges.org located an advertisement on the Kentucky Digital Library listing the Louisville Bridge and Iron Company of Louisville, Kentucky, so this is who HistoricBridges.org is listing as the main builder for the bridge. Previously,  Madison County Historical society suggested that William Gunn built the bridge. It is not known if this is speculation, or if he was perhaps the on-site contractor who erected the bridge. Madison County Historical provided the following information about Gunn:

William Gunn was born in North Carolina in 1797. He became an itinerant preacher for the Methodist Episcopal Church's Henderson, Kentucky circuit in 1819. He married Frances Adams, the daughter of a Shelbyville, Kentucky, Methodist minister, in 1826. Their children included William Gunn the younger, who was an engineer and inventor. During the Civil War, he served as chief engineer of the U.S. Military Railroad and constructed several forts in Kentucky. After the war, he built the bridge at Clay's Ferry, Kentucky and invented the "H" column for steel construction.

The history of the bridge's use is a little more well documented. Before there was a bridge here, someone named Green Clay operated a ferry service here, accounting for the name of the bridge. The bridge was built in 1869 for the Richmond and Lexington Turnpike. The bridge was purchased by the State of Kentucky in 1929 and became part of US-25 until a larger high level bridge was built to realign US-25 in 1946. Since then, the cast iron truss has carried local traffic only. The bridge was rehabilitated in 1955. At some point, the top of the pier was removed and replaced with concrete. The primary substructure material is stone, although concrete has been used to repair the abutments as well.

This bridge is tagged with the following special condition(s): Cast Iron


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