Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, Maricopa County, AZ
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-rib, open-spindrel, hinged arches. After the bridge was opened in 1913, it contributed immensely to the development of the Salt River Valley.
Unprocessed Field note material exists for this structure: FN-2
Survey number: HAER AZ-29
Building/structure dates: 1913 Initial Construction
Building/structure dates: 1933 Subsequent Work
Building/structure dates: 1920 Subsequent Work
Building/structure dates: 1991 Demolished