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Central Avenue Bridge

Central Avenue Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: July 6, 2014

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Key Facts

Facility Carried / Feature Intersected
Central Avenue (PA-403) Over Stonycreek River
Location
Johnstown: Cambria County, Pennsylvania: United States
Construction Date and Builder / Engineer
1917 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
1973
Main Span Length
109 Feet (33.2 Meters)
Structure Length
265 Feet (80.8 Meters)
Roadway Width
40.4 Feet (12.31 Meters)
Spans
2 Main Span(s)
NBI Number
8519

Historic Significance Rating (HSR)
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Bridge Documentation

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

This is a concrete arch bridge which appears to have been altered, unfortunately in the most noteworthy areas. The first and most noteworthy area is the spandrel walls, which appear to have been covered in newer concrete. The simple appearance of the spandrel walls suggest that there may have been more interesting architectural details that were not copied onto the new concrete of the spandrel walls. Additionally, the original balustrade railings on the bridge have been replaced with ugly modern guardrails. An interesting detail of the bridge is that the base of the pier includes brick and tile components.

The Historic Bridge Inventory cites better concrete arch bridges in the area. It should be noted that many have been demolished and replaced since the survey was made. This bridge remains an altered example of its type, but it is increasingly rare.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The 1917, two span, 265'-long (2 @ 109'), reinforced concrete deck arch bridge is supported on concrete abutments and a concrete pier. In 1973 the original, Classical-style balustrades were removed and replaced with standard design concrete parapets with tubular handrails. The bridge is an altered example of a common type and design that was used with great frequency since the first decade of the 20th century. It has no innovative or distinctive details. Reinforced concrete deck arch bridges are well-represented in the district. A total of 64 remain, including 48 built prior to 1920. Earlier, more complete examples better represent the technology (e.g., 07 7403 8012 3083).

Discussion of Surrounding Area

The bridge carries a 2 lane city street and 2 sidewalks over Stonycreek River between the Hornerstown and Moxham neighborhoods of Johnstown. The bridge is not in a potential historic district. At the south end is a commercial area that has been excluded from PHMC's Moxham potential historic district. At the far end is Johnstown High School, which may have individual potential, but the bridge is not related to its function.

Bridge Considered Historic By Survey: No

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Photo Galleries and Videos: Central Avenue Bridge

 
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Maps and Links: Central Avenue Bridge

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