McClay's Twin Bridge (East)

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Also known as: McClay's Twin Bridge (West)
LR 28010 over trib. to Conodoguinet Creek, Middle Spring, Pennsylvania

Stone arch bridge over a branch of Conodoguinet Creek on McClays Mill Road (PA 4018)

Map 

Description 

The bridges are outstanding examples of surviving stone arch bridges constructed by a 19th century designer craftsperson. Before the appearance of professional engineers and architects during the middle of the 19th century, local craftspeople such as Silas Harry were responsible for the design and construction of vernacular bridges such as the Maclay's Mill Twin Bridges. No fewer than 6 Franklin County stone arch bridges have been attributed to Harry... -- Historic American Engineering Record (HAER PA-457)

National Register information 

Note: The following information comes from the NRHP database and has not been verified.
Status
Posted to the National Register of Historic Places on June 22, 1988
Reference number
88000777
Architectural style
Other architectural type; Multi-span camelback arch
Area of significance
Engineering
Level of significance
State
Evaluation criteria
C - Design/Construction
Property type
Structure
Historic function
Road-related
Current function
Road-related
Period of significance
1825-1849
Significant year
1827

Sources