McMillin Bridge

The McMillin Bridge spans the Puyallup River with a main span of 170 feet, featuring steel-reinforced through trusses without overhead lateral sway braces.

Built in 1934 during the Great Depression, this structure represented the longest concrete truss span in the United States at the time of its construction.

The bridge stands as an engineering achievement by Homer Hadley, demonstrating the innovative use of concrete instead of steel in bridge construction during economic constraints.

Located along State Route 162, the bridge connects local communities across the Puyallup River while maintaining its position on the National Register of Historic Places.

The structure employs a hollow-box system and concrete through truss design, making it potentially the only bridge of its type in the United States.

Location: Washington

Inception: 1934

Official opening: 1967

GPS coordinates: 47.12972,-122.23590

Latest update: September 23, 2025 16:46