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Johnston Bridge

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Photos 

Johnston Pratt Pony

End View

Photo taken by Brian McKee on January, 26 2009

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Map 

Facts 

Overview
Pony truss bridge over Plum Creek on PA 2069
Location
Armstrong County, Pennsylvania
Status
Replaced by a new bridge
History
Built 1904; rehabilitated 1927
Design
Pratt pony truss
Dimensions
Length of largest span: 71.9 ft.
Total length: 80.1 ft.
Deck width: 14.4 ft.
Approximate latitude, longitude
+40.70111, -79.32222   (decimal degrees)
40°42'04" N, 79°19'20" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/641742/4506931 (zone/easting/northing)
USGS topographic map
Elderton
Inventory numbers
PA 03 2069 0010 0000 (Pennsylvania Bridge Management System number)
PANBI 46604 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 30341 (Bridgehunter.com ID)
Inspection (as of 01/2010)
Deck condition rating: Serious (3 out of 9)
Superstructure condition rating: Critical (2 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 17.3 (out of 100)
Average daily traffic (as of 2010)
153

Update Log 

  • April 5, 2012: Updated by Nathan Holth: This bridge has been demolished and replaced.
  • January 24, 2010: Updated by Nathan Holth: This bridge is now doomed.
  • February 8, 2009: New photos from Brian McKee

Sources