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Conewago Creek Bridge

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Birdseye View of Conewago Creek Bridges

Captured on 10/31/10 (before the maps were updated with photos of new concrete slab bridges)

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Description 

There were two truss bridges on this road that crossed a river by way of an island. Both were demolished and replaced with a slab.

FROM THE 1996-2001 PENNSYLVANIA HISTORIC BRIDGE SURVEY: The single span, 113'-long, pin-connected metal Pratt thru truss bridge built in 1889 is supported on stone abutments. The truss is composed of built-up compression members and eye bar tension members. It has double-looped floorbeam hangers in the end panels, a trademark of Wrought Iron Bridge Co. bridges. Rolled section floorbeams carry steel stringers and an open steel grid deck placed in 1969. Earlier railings have been lost and replaced by W-beam guide railings. The bridge is a historically and technologically significant example of its type/design by an important late-19th-century fabricator. The Wrought Iron Bridge Co. was among the best known and most successful bridge fabricators to market and popularize the pin-connected truss designs for highway applications.

Facts 

Overview
Through truss bridge over Conewago Creek on PA 4051
Location
York County, Pennsylvania
Status
Demolished and replaced with a slab of concrete.
History
Built 1889 by Wrought Iron Bridge Co.
Builder
- Wrought Iron Bridge Co. of Canton, Ohio
Design
Pratt through truss
Dimensions
Span length: 113.9 ft.
Total length: 113.9 ft.
Deck width: 15.5 ft.
Approximate latitude, longitude
+39.96403, -76.95568   (decimal degrees)
39°57'50" N, 76°57'20" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/332970/4425595 (zone/easting/northing)
Quadrangle map:
Abbottstown
Inventory numbers
PA 66 4051 0120 0000 (Pennsylvania Bridge Management System number)
BH 31863 (Bridgehunter.com ID)
Inspection (as of 07/2008)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 11.2 (out of 100)
Average daily traffic (as of 2009)
637

Update Log 

  • December 26, 2011: Updated by Jodi Christman: Added description
  • November 5, 2010: New photo from Jodi Christman
  • October 31, 2010: New photo from Jodi Christman
  • May 17, 2010: Updated by Nathan Holth: Bridge has been demolished and replaced.

Sources 

  • Nathan Holth
  • Jodi Christman - masterofchaos [at] outlook [dot] com

Comments 

Conewago Creek Bridge
Posted May 17, 2010, by Anthony Dillon (spansaver [at] hotmail [dot] com)

This looks like it would have been a neat place to visit, with two truss bridges so close together and waterfalls in the area. So much for that idea!