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Branch Rock Creek Bridge

Description 

FROM THE 1996-2001 PENNSYLVANIA HISTORIC BRIDGE SURVEY: 'The 2 span, 59'-long, reinforced concrete deck arch bridge built in 1919 by the county has concrete parapets and paneled spandrel walls and wingwalls. Spalling is extensive with exposed twisted reinforcing bars in the arch rings, spandrel walls, and parapets. The parapets, spandrels, and intrados have a heavy coating of shotcrete, which is scabbing off in places. The bridge has significant loss of original fabric. The reinforced concrete arch bridge technology was introduced in Pennsylvania about 1900 and it was ubiquitous by the 1910s. More than 270 pre-1920 examples have been identified. This altered example is not historically or technologically distinguished by its setting or context.

Facts 

Overview
Concrete arch bridge over a branch of Rock Creek on Old US 15 (PA 3001)
Location
Adams County, Pennsylvania
Status
Open to traffic (appears to have been replaced in 2010)
History
Built 1919
Design
Closed-spandrel arch
Dimensions
Length of largest span: 24.9 ft.
Total length: 59.1 ft.
Deck width: 24.0 ft.
Approximate latitude, longitude
+39.87244, -77.20292   (decimal degrees)
39°52'21" N, 77°12'11" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/311601/4415922 (zone/easting/northing)
Quadrangle map:
Gettysburg
Average daily traffic (as of 2018)
6,048
Inventory numbers
PA 01 3001 0270 0000 (Pennsylvania Bridge Management System number)
PANBI 46120 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 30196 (Bridgehunter.com ID)
Inspection report (as of November 2018)
Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 95.1 (out of 100)
View more at BridgeReports.com

Categories 

Adams County, Pennsylvania (48)
Arch (12,662)
Built 1919 (550)
Built during 1910s (9,973)
Closed-spandrel arch (4,261)
Deck arch (11,898)
Open (40,969)
Owned by state (16,563)
Pennsylvania (5,810)
Span length under 25 feet (7,093)
Total length 50-75 feet (9,576)
US 15 (13)

Update Log 

  • December 26, 2011: Updated by Jodi Christman: Added description note

Sources