On Old US 80 Highway (U.S. 80), on the left when traveling west.
Main Marker - Side A:
The Historic Gillespie Dam Bridge spans the Gila River on Old US 80 Highway, between the communities of Arlington and Gila Bend. Built in 1927 as a Federal Aid Project, the bridge is a unique and elegant reminder of . . . — — Map (db m54936) HM
On Old Highway US 80 (at milepost 22.5), on the left when traveling north.
In December 2011, as the Historic Gillespie Dam Bridge approached its 85th year of service, the Maricopa County Department of Transportation began a major bridge rehabilitation and repair effort to save one of Arizona's earliest and most significant . . . — — Map (db m69445) HM
