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Eshelman Mill Road Bridge

Eshelman Mill Road Bridge

Primary Photographer(s): Elaine Deutsch

Bridge Documented: March 9, 2012

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Key Facts

Facility Carried / Feature Intersected
Eshelman Mill Road Over Mill Creek
Rural: Lancaster County, Pennsylvania: United States
Construction Date and Builder / Engineer
By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Main Span Length
110 Feet (33.5 Meters)
Structure Length
112 Feet (34.1 Meters)
Roadway Width
18.4 Feet (5.61 Meters)
1 Main Span(s)
NBI Number

Historic Significance Rating (HSR)
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Bridge Documentation

This bridge no longer exists!

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

This is a traditionally composed example of a pin-connected Pratt through truss. In 1933 it was relocated from an unknown location to its current location here. During this time it appears the overhead bracing was altered with the addition of a rolled i-beam that runs horizontally between the portal bracing at each end. In general however, the truss retains good historic integrity and is an increasingly rare example of its type thanks to widespread demolition of this bridge type in Pennsylvania.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The single span, 112'-long, pin-connected, Pratt thru truss is supported on concrete abutments. It is traditionally composed of built-up members of standard steel sections for the upper chords and verticals, and eyebars for the lower chords and diagonals. It has rolled floorbeams with U-shaped hangers carrying steel stringers and an open steel grid deck placed in 1970. Welded channel railings are set to the inside of the trusses. According to county records and the bridge plaque, the truss bridge was moved and reassembled at this location in 1933. Its original location and date of construction are unknown, but it dates by style to ca. 1900. It has no unusual or distinctive details that would identify its fabricator. The pin-connected Pratt truss type/design was popular for use with local roads in Pennsylvania from the 1880s to about 1910. It had reached a high degree of standardization by the late 1890s. This example has no features that are not represented by earlier, more complete, and better documented examples in the region. It is not historically or technologically distinguished by its setting or context.

Discussion of Surrounding Area

The bridge carries a 2 lane road over a stream in a rural setting with scattered late 19th to late 20th century houses. To the west is an entrance to Lancaster County Central Park with modern picnic areas. At the eastern quadrant is a late 19th century picturesque vernacular brick house and beyond that an area of prefabricated modern houses. The setting does not have the cohesivenesss or integrity of a historic district.

Bridge Considered Historic By Survey: No


Photo Galleries and Videos: Eshelman Mill Road Bridge

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Maps and Links: Eshelman Mill Road Bridge

This historic bridge has been demolished. This map is shown for reference purposes only.

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