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Sakowski, Eric (December 5, 2010). "Burro Creek 2005 Bridge". highestbridges.com. Archived from the original on March 4, 2016. Retrieved December 20, 2016.
Sakowski, Eric (December 10, 2009). "Hoffstadt Creek Bridge". highestbridges.com. Archived from the original on October 25, 2016. Retrieved October 25, 2016.
Janberg, Nicolas (February 5, 2016). "Hoffstadt Creek Bridge". structurae.net. Archived from the original on October 26, 2016. Retrieved October 25, 2016.
Janberg, Nicolas (February 5, 2016). "Girard Point Bridge". structurae.net. Archived from the original on December 29, 2016. Retrieved February 5, 2016.
Sakowski, Eric (December 5, 2010). "Burro Creek 1966 Bridge". highestbridges.com. Archived from the original on November 28, 2016. Retrieved December 20, 2016.
Sakowski, Eric (December 5, 2010). "Burro Creek 2005 Bridge". highestbridges.com. Archived from the original on March 4, 2016. Retrieved December 20, 2016.
Janberg, Nicolas (February 5, 2016). "Hoffstadt Creek Bridge". structurae.net. Archived from the original on October 26, 2016. Retrieved October 25, 2016.
Sakowski, Eric (December 10, 2009). "Hoffstadt Creek Bridge". highestbridges.com. Archived from the original on October 25, 2016. Retrieved October 25, 2016.
Janberg, Nicolas (February 5, 2016). "Girard Point Bridge". structurae.net. Archived from the original on December 29, 2016. Retrieved February 5, 2016.