Bridgehunter.com | Blacks Mill Road Bridge

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Photo taken by Daniel McFarland in January 2009

Overview: Pony truss bridge over Hunting Creek on Blacks Mill Road
Location: Frederick County, Maryland
Status: Open to traffic
History: Built 1914; rehabilitated 1995
Design: Pin-connected, 4-panel Pratt half-hip pony truss
Dimensions: Span length: 69.9 ft.
Total length: 69.9 ft.
Deck width: 12.8 ft.
Approximate latitude, longitude: +39.56937, -77.39141 (decimal degrees)
39°34'10" N, 77°23'29" W (degrees°minutes'seconds")
Approximate UTM coordinates: 18/294582/4382694 (zone/easting/northing)
USGS topographic map: Catoctin Furnace
Inventory number: BH 19651 (Bridgehunter.com ID)
Inspection (as of 09/2011): Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 46.1 (out of 100)
Average daily traffic (as of 2009): 332