Parker Bridge, Truss bridge in Parker, Pennsylvania, United States
Parker Bridge is a steel truss structure spanning the Allegheny River at Parker, connecting pedestrians and vehicles across the water. The construction sits on three supporting piers and relies on a series of interconnected triangular steel elements for structural support.
The bridge opened in 1934, when steel structures were beginning to replace earlier wooden transportation routes in the region. It marks an important point in engineering development during that transformative period.
The bridge incorporates the Parker truss design, named after Charles H. Parker, characterized by a polygonal upper chord and triangular load distribution.
Route 368 leads across this bridge, allowing drivers and pedestrians to cross between riverbanks. Visitors get a broad view of the river, particularly clear when crossing during daylight hours.
The structure contains geometric patterns of interconnected triangles that distribute forces effectively while minimizing the amount of construction materials needed.
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