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Conestoga River Bridge

Lancaster County, Pennsylvania
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Description 

FROM THE 1996-2001 PENNSYLVANIA HISTORIC BRIDGE SURVEY: The 2-span, 39'-long, steel stringer bridge has welded metal angle railings, open steel grid deck, channel fascia stringers, I-beam interior stringers, concrete pier, and stone abutments and wingwalls. According to state records, the bridge was built in 1912 by the York Bridge Company, a regionally prominent contractor. In 1959, the state highway department removed the original (timber?) deck and replaced it with the open steel grid deck, and added the concrete pier converting the bridge from a one to a two-span structure. The railings appear to have been welded at the same time, perhaps using material salvaged from the old railings. Although an early example of the steel stringer technology that became popular in the 1910s and 1920s, the bridge lacks integrity due to the significant alterations. More complete examples have been identified. The bridge is not distinguished by its setting.

Facts 

Overview
Steel stringer bridge over Conestoga River on Sr 1019 (Shirktown Road)
Location
Lancaster County, Pennsylvania
Status
Open to traffic
History
Built 1912
Builder
- York Bridge Co. of York, Pennsylvania
Design
Steel stringer
Dimensions
Length of largest span: 17.1 ft.
Total length: 39.0 ft.
Deck width: 17.7 ft.
Approximate latitude, longitude
+40.13250, -75.93667   (decimal degrees)
40°07'57" N, 75°56'12" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/420200/4442884 (zone/easting/northing)
USGS topographic map
Morgantown
Inventory numbers
PANBI 21403 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 52528 (Bridgehunter.com ID)
Inspection (as of 05/2010)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 48.5 (out of 100)
Average daily traffic (as of 2012)
361

Categories 

Beam (6,048)
Built 1912 (524)
Built during 1910s (6,729)
Continuous (899)
Lancaster County, Pennsylvania (121)
Open (28,313)
Owned by state (9,808)
 Pennsylvania (3,038)
Span length under 25 feet (4,081)
Steel stringer (2,325)
Structurally deficient (16,678)
Total length 25-50 feet (7,628)
York Bridge Co. (20)

Update Log 

  • May 25, 2012: Updated by Jodi Christman: Added builder and description

Sources 

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

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