Ambridge–Aliquippa Bridge

The Ambridge–Aliquippa Bridge is a steel cantilever through truss bridge which crosses the Ohio River at Ambridge, Pennsylvania. The bridge was originally named the Ambridge-Woodlawn Bridge but was soon renamed Ambridge-Aliquippa when Woodland was eclipsed by the rapid expansion of the Aliquippa Works of the Jones & Laughlin Steel Company. Ambridge was incorporated in 1910 - named after the American Bridge Company which had significant operations along the Ohio River opposite the Jones & Laughlin Steel Company.

The need for a bridge was beyond doubt and long overdue as the towns of Ambridge and Woodlawn, which had populations in the hundreds at the turn of the 20th century, exceeded 40,000 by the late 1920s. In September 1924, the plans for a bridge over the Ohio River linking Ambridge and Woodlawn were revived from earlier ones shelved in 1917 by the outbreak of the First World War.