US 89 over Pumphouse Wash, milepost 387.4, Flagstaff, Arizona. County/parish: Coconino.
Added to the National Register of Historic Places September 30, 1988. NRIS 88001605.
Part of Vehicular Bridges in Arizona MPS (NRIS 64500050).
1 contributing structure.National Park Service documentation: https://catalog.archives.gov/id/75608102