SCIENCETECH · HISTORICAL MARKER
Brownsville - Route 40 Bridge
Hiller, Pennsylvania
Science & Tech
2
Brownsville - Route 40 Bridge, designed by and built under the supervision of Capt. Richard Delafield in 1839 to improve the National Road, was the first cast iron bridge built west of the Allegheny Mountains.
PHOTOS
Photo: J. J. Prats
Photo: J. J. Prats
Photo: J. J. Prats
FIND IT
Hiller, Pennsylvania · USA
© 2026 MainEngine