Hill to Hill Bridge

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Hill to Hill Bridge
PA 378 on the Hill to Hill.jpg
Hill to Hill Bridge heading northbound
Official name Hill to Hill Bridge
Other name(s) Route 378 Bridge
Carries 4 lanes of PA 378 and 2 sidewalks
Crosses Lehigh River
Locale Bethlehem, Pennsylvania
Design concrete arch truss bridge
Opened 1924
Toll Free
Coordinates 40°36′56″N 75°23′05″W / 40.6155°N 75.3846°W / 40.6155; -75.3846Coordinates: 40°36′56″N 75°23′05″W / 40.6155°N 75.3846°W / 40.6155; -75.3846

The Hill to Hill Bridge is a concrete arch bridge in Bethlehem, Pennsylvania. It carries PA 378 across the Lehigh River.


Construction on the Hill to Hill Bridge began on August 1, 1921, after many previous plans. The original bridge has nine approaches, eleven abutments, forty-eight piers, and fifty-eight spans. It was considered an engineering marvel when it was constructed. The bridge also contains two side ramps: one that connects to Main Street, and another that connects to Second Avenue (permanently closed to traffic). The bridge saw extensive repairs in 1990, and was painted in spring of 2009. The painting process had caused two of the four traffic lanes to be closed, and had resulted in major traffic congestion. The painting project was finished in time for the opening of the Sands Casino Resort Bethlehem.

It is located in the Central Bethlehem Historic District, listed on the National Register of Historic Places in 1972, with a Boundary Increase in 1988.[1]


See also[edit]


  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. 2010-07-09. 

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