The Park Avenue Bridge in Clifton, Arizona brings Park Avenue over the San Francisco River and was long the one link between east and west sides of the town.

[1] It is significant historically as the only pinned Parker vehicular truss in the state of Arizona.

At the time of its NRHP listing, in 1988, it was in original condition including having a creosoted timber deck.

[2] It was individually listed on the National Register of Historic Places (NRHP) in 1988.

It was also included as a contributing structure within the Clifton Townsite Historic District, a historic district listed on the NRHP in 1990.