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PA-287 Bridge

   


PA-287 Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: May 29, 2010
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Key Facts

Facility Carried / Feature Intersected
PA-287 Over Larrys Creek
Location
Salladasburg: Lycoming County, Pennsylvania
Construction Date and Builder / Engineer
1941 By Builder/Contractor: Farris Engineering (Bridge) Company of Pittsburgh, Pennsylvania and Engineer/Design: Pennsylvania State Highway Department

Technical Facts

Rehabilitation Date
1993
Main Span Length
155 Feet (47.2 Meters)
Structure Length
158 Feet (48.2 Meters)
Roadway Width
25 Feet (7.6 Meters)
Spans
1 Main Span(s)
NBI Number
41028701001251

Historic Significance Rating (HSR)

Bridge Documentation

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

This six panel truss bridge is an excellent example of a Pennsylvania state standard truss bridge, built at the end of the truss era in Pennsylvania, which managed to live on into the early 1940s thanks to the continuing use of standard plan truss bridges such as this one. The bridge retains good historic integrity with the replacement of the original vehicular railing being the only noteworthy alteration. The original pedestrian railing remains, as this bridge has one cantilevered sidewalk. This particular bridge also has a noteworthy skew, adding to its striking appearance. The attractive appearance of the trusses enhance both the road and area. Bridges such as this have been written off as not historic by the Historic Bridge Inventory, but the time has come to consider these bridges to have historic value. They are beautiful structures, and contain technologies that have not been used in highway bridge construction for nearly 50 years, such as riveting and built-up beams that contain v-lacing or lattice. PennDOT treatment of these massive member state standard truss bridges varies widely. Some have been maintained and rehabilitated, others have been demolished or replaced. The demolition of a considerable number of these bridges been increasing the rarity and significance of those bridges which remains. HistoricBridges.org hopes their will be a trend toward favoring rehabilitation over demolition in the future. The massive members of these bridges as well as a decent deck width make them very functional and safe for continued vehicular use.

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The single span, 158'-long riveted steel Pratt thru truss bridge is supported on concrete abutments with flared wingwalls. The top and bottom chords are built-up sections. Rolled beam sections are used for the vertical and diagonal members. Rolled floorbeams and stringers support the concrete deck. A concrete sidewalk is cantilevered outside one truss, and has a lattice railing. The bridge built in 1941 is a late example of the type that was widely used throughout the state since the late 1920s and it is not technologically distinguished. The setting does not appear to be historically significant.

Discussion of Surrounding Area

The bridge carries a 2 lane state road over a stream in a wooded setting with scattered 20th century residences. The area does not appear to have historic district potential.

Bridge Considered Historic By Survey: No

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Photos and Videos: PA-287 Bridge

Available Photo Galleries and Videos

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Bridge Photo-Documentation
Original / Full Size Photos
A collection of overview and detail photos. For the best visual immersion and full detail, or for use as a desktop background, this gallery presents the photos for this bridge in the original digital camera resolution.
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Bridge Photo-Documentation
Mobile Optimized Gallery
A collection of overview and detail photos. View the photos for this bridge in a reduced size which is useful for mobile/smartphone users, modem (dial-up) users, or those who do not wish to wait for the longer download times of the full-size photos. Alternatively, view this photo gallery using a popup slideshow viewer (great for mobile users) by clicking the link below.
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Southbound Crossing of the Bridge
Full Motion Video
Streaming video of the bridge. Also includes a higher quality downloadable video for greater clarity or offline viewing.

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