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Little Juniata Bridge

Map 

Description 

FROM PA BRIDGE DATA: 'The rivet-connected Pratt pony truss bridge has significant loss of integrity due to alterations converting the bridge from a 1-span truss bridge to a 2-span continuous steel stringer bridge. Alterations include loss of floorbeams and original flooring system and replacement by steel stringers and a steel deck pan. A concrete pier was added at midspan. The truss lines now serve as railings. The lower chords have been partially lost due to severe rust. According to inspection reports, the bridge was originally built in 1904. The fabricator is undocumented. More distinguished and less altered examples of Pratt pony truss bridges have been identified in the county and region. The altered bridge is not significant for its setting or context."

Facts 

Overview
Steel stringer bridge over Little Juniata on Sulphur Springs Road
Location
Perry County, Pennsylvania
Status
Open to traffic
Future prospects
Slated for demolition and replacement. ECMS 63069
History
Built 1904, rehab 1960CA
Builder
- Nelson & Buchanan Co. of Chambersburg & Pittsburgh, Pennsylvania
Design
Converted from a 1-span truss bridge to a 2-span continuous steel stringer bridge. At one time it was a 4-Panel Rivet-Connected Double-Intersection Warren Pony Truss
Dimensions
Length of largest span: 25.9 ft.
Total length: 55.1 ft.
Deck width: 11.2 ft.
Also called
Sulphur Springs Road Bridge
Approximate latitude, longitude
+40.42056, -77.05167   (decimal degrees)
40°25'14" N, 77°03'06" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/325943/4476457 (zone/easting/northing)
Quadrangle map:
Duncannon
Inventory numbers
PANBI 29762 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 59924 (Bridgehunter.com ID)
Inspection (as of 11/2015)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 18.4 (out of 100)
Average daily traffic (as of 2009)
100

Update Log 

  • December 15, 2015: Updated by Nathan Holth: This bridge is now doomed.
  • February 24, 2014: Updated by Jodi Christman: Added description

Sources