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Conestoga River Bridge

Lancaster County, Pennsylvania
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Description 

FROM THE 1996-2001 PENNSYLVANIA HISTORIC BRIDGE SURVEY: The skewed, 1 span, 68'-long reinforced concrete thru girder bridge built in 1910 is composed of two girders with transverse floorbeams and a concrete slab deck. The paneled girders also serve as the railings. The bridge is supported on concrete abutments with flared wingwalls. The paneled parapets atop the wingwalls have been cut down to half their original height at an uknown date. The bridge is an example of one of the least successful standardized reinforce concrete bridges types developed during the first decade of the 20th century. At least 65 thru girder bridges from 1906 to 1930 have been identified with more than one-third of the examples in Lancaster County where their use was forwarded by county engineer F. H. Shaw beginning before 1910. The bridge is not historically or technologically distinguished by its setting or context.

Facts 

Overview
Concrete thru girder bridge over Conestoga River on SR1025 (North Farmersville Rd)
Location
Lancaster County, Pennsylvania
Status
Open to traffic
History
Built 1910
Builders
- F. H. Shaw (county Engineer)
- Nelson-Merydith Co. of Chambersburg, Pennsylvania
Design
Reinforced concrete thru girder bridge
Dimensions
Length of largest span: 62.0 ft.
Total length: 67.9 ft.
Deck width: 16.4 ft.
Approximate latitude, longitude
+40.13472, -76.17389   (decimal degrees)
40°08'05" N, 76°10'26" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/399993/4443370 (zone/easting/northing)
USGS topographic map
Ephrata
Inventory numbers
PANBI 21417 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 52526 (Bridgehunter.com ID)
Inspection (as of 07/2010)
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: 46.8 (out of 100)
Average daily traffic (as of 2012)
1,427

Categories 

Built 1910 (745)
Built during 1910s (6,760)
Concrete girder (527)
F. H. Shaw (7)
Girder (3,288)
Lancaster County, Pennsylvania (121)
Nelson-Merydith Co. (3)
 Open (28,452)
Owned by state (9,852)
Pennsylvania (3,045)
Span length 50-75 feet (7,011)
Structurally deficient (16,728)
Through girder (1,147)
Total length 50-75 feet (6,907)

Update Log 

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

Sources 

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

Comments 

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