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PA-14 Lycoming Creek Bridge

PA-14 Lycoming Creek Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: October 29, 2016

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Key Facts

Facility Carried / Feature Intersected
PA-14 Over Lycoming Creek
Location
Rural: Lycoming County, Pennsylvania: United States
Construction Date and Builder / Engineer
1930 By Builder/Contractor: Unknown and Engineer/Design: Pennsylvania State Highway Department

Technical Facts

Rehabilitation Date
1994
Main Span Length
133 Feet (41 Meters)
Structure Length
140 Feet (43 Meters)
Roadway Width
24 Feet (7.32 Meters)
Spans
1 Main Span(s)
NBI Number
24507

Historic Significance Rating (HSR)
View Information About HSR Ratings

Bridge Documentation

This bridge no longer exists!

Bridge Status: This historic bridge was demolished and replaced by PennDOT in 2018!

This skewed bridge is one of a very small number of state design through truss bridges to use a Baltimore truss configuration. The bridge has a heavy 45 degree skew, adding to its significance. The finding of this bridge as non-historic by the Historic Bridge Inventory shows a complete lack of understanding of the context of metal truss bridges in Pennsylvania. This bridge is a rare variation of standard state truss design. The department almost always used Parker and Pratt trusses in its standards, a Baltimore truss was rarely used. The bridge was thus significant as an example of the diverse design abilites of the state highway department. In other states, inventories would have found this bridge to be National Register Eligible.

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

View Original Plans For This Historic Bridge

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The 1930, one span, 140'-long, Baltimore thru truss bridge is built on an extreme skew, which may contribute in part to the decision to use a truss design with subdivided and thus shorter panels resulting in reduced stresses in the floorbeams and stringers (hence smaller sections) and better distribution of loads into the trusses. The use of rolled I section for the verticals, substruts, and diagonals is not noteworthy as the detail was common by 1930. The bridge is supported on concrete abutments with flared wingwalls that were placed in 1994. The chords and end posts are built up box sections, and rolled floorbeams and stringers support the concrete deck. The original lattice railings have been removed and replaced with modern concrete barriers. The use of the truss design with subdivided panels in 1930 is not technologically or historically significant, and neither the bridge nor its setting are historically or technologically significant.

Discussion of Surrounding Area

The bridge carries a 2 lane state highway over a stream in a wooded setting with sparse development.

Bridge Considered Historic By Survey: No

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Photo Galleries and Videos: PA-14 Lycoming Creek Bridge

 
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A collection of overview and detail photos. This gallery features data-friendly, fast-loading photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: PA-14 Lycoming Creek Bridge

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

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