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Twin Bridge Road Bridge

Photos 

View of east side of bridge

Photo taken by Jodi Christman 9/04/2011

Enlarge

BH Photo #214085

Map 

Description 

FROM THE 1996-2001 PENNSYLVANIA HISTORIC BRIDGE SURVEY: The single span, 27'-long, encased steel stringer bridge is supported on stone abutments. The steel stringers are fully encased in a concrete slab. The bridge dates stylistically from ca. 1915. The aluminum pipe railings were added in 1958. Concrete encasement was favored in the state because it provided protection for the steel and eliminated the need to periodically paint the beams. An altered example of one of the most common, mid-20th century bridge types and designs in the state, it has no innovative or distinguishing details.

NEWS ON IT BEING REPLACED: http://www.publicopiniononline.com/ci_18786721?IADID=Search-...

Facts 

Overview
Stringer bridge over Dennis Creek on Twin Bridge Road
Location
Franklin County, Pennsylvania
Status
Open to traffic; Pending to be replaced in 2012
History
Built 1900; railing added 1958
Design
One lane stringer with stone abutments
Dimensions
Length of largest span: 25.9 ft.
Total length: 26.9 ft.
Deck width: 12.1 ft.
Also called
Dennis Creek Bridge
Approximate latitude, longitude
+39.94646, -77.73969   (decimal degrees)
39°56'47" N, 77°44'23" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/265942/4425409 (zone/easting/northing)
Quadrangle map:
Chambersburg
Average daily traffic (as of 2009)
300
Inventory numbers
PA 28 7205 0592 3027 (Pennsylvania Bridge Management System number)
BH 48450 (Bridgehunter.com ID)
Inspection report (as of October 2009)
Overall condition: Poor
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Poor (4 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 48.1 (out of 100)
View more at BridgeReports.com

Update Log 

  • September 19, 2011: New photos from Jodi Christman
  • September 4, 2011: Updated by Jodi Christman: Added description, changed name, status
  • March 19, 2011: Added by Jodi Christman

Sources