Bi-State Vietnam Gold Star Bridges (English Wikipedia)

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Martin, John (August 3, 2007). "Officials say twin bridges safe". Local News. Evansville Courier Press. Archived from the original on June 6, 2011. Retrieved April 26, 2011.
"No major damage evident here from earthquake". News. Evansville Courier Press. April 18, 2008. Archived from the original on June 6, 2011. Retrieved April 26, 2011.
"I-69 bridge Project Team says work continues on steps to move project forward". Evansville Courier & Press. June 11, 2020.
Harwood, Houston (March 30, 2023). "I-69 Ohio River Crossing proceeds to next stage of development". Courier & Press. Retrieved May 8, 2023.

hendersonkyhistory.com

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"Notable Bridges in North America". A&E Television Networks. Archived from the original on October 16, 2007. Retrieved March 25, 2007.

"Section 2: I-69 Bridge". I-69 Ohio River Crossing. Retrieved January 3, 2023.
"FAQs". I-69 Ohio River Crossing. Retrieved January 3, 2023.

"History of John James Audubon State Park". Commonwealth of Kentucky. Archived from the original on December 24, 2010. Retrieved February 26, 2011.

"Konnection Employee Newsletter" (PDF). Kentucky Transportation Cabinet. Retrieved January 20, 2009.

"Notable Bridges in North America". A&E Television Networks. Archived from the original on October 16, 2007. Retrieved March 25, 2007.
"Bridge Building Boom Henderson County KY". HendersonKYHistory.com. Archived from the original on April 30, 2011. Retrieved April 26, 2011.
"History of John James Audubon State Park". Commonwealth of Kentucky. Archived from the original on December 24, 2010. Retrieved February 26, 2011.
"Northbound bridge celebrating 75 years". Local News. Evansville Courier Press. July 1, 2007. Archived from the original on June 6, 2011. Retrieved April 26, 2011.
"Transportation Officials Formulate Plan to Maintain Traffic Flow on US 41 Twin Bridges in Henderson". Commonwealth of Kentucky. Archived from the original on January 9, 2009. Retrieved January 20, 2009.
https://web.archive.org/web/20090109210644/http://migration.kentucky.gov/Newsroom/agovernor/20070430henderson.htm
Martin, John (August 3, 2007). "Officials say twin bridges safe". Local News. Evansville Courier Press. Archived from the original on June 6, 2011. Retrieved April 26, 2011.
"No major damage evident here from earthquake". News. Evansville Courier Press. April 18, 2008. Archived from the original on June 6, 2011. Retrieved April 26, 2011.
"Historic Bridges of the U.S.: Evansville Bridge". Bridgehunter.com. Archived from the original on May 23, 2011. Retrieved April 26, 2011.