Southern Pacific over Mill Avenue

A railroad bridge over Mill Avenue in Tempe, Arizona.

What the bridge record says

  • Vertical clearance under the bridge: 15 ft 6 in (4.73 m), as recorded in the National Bridge Inventory, 2025.

    Built in 1975.

Clearance is the measured height recorded by the state in the National Bridge Inventory. The sign at the bridge can show a different figure.

Source: FHWA National Bridge Inventory, 2025.