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St. Marks Road Bridge

Photos 

Photo taken by Daniel McFarland

Enlarge

BH Photo #135766

Map 

Facts 

Overview
Pony truss bridge over Broad Run on St. Marks Road
Location
Frederick County, Maryland
Status
Open to traffic
Design
Pin-connected, 5-panel Pratt pony truss
Dimensions
Length of largest span: 71.9 ft.
Total length: 73.2 ft.
Deck width: 10.5 ft.
Approximate latitude, longitude
+39.36675, -77.58637   (decimal degrees)
39°22'00" N, 77°35'11" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/277187/4360667 (zone/easting/northing)
Quadrangle map:
Point of Rocks
Average daily traffic (as of 2007)
216
Inventory number
BH 19686 (Bridgehunter.com ID)
Inspection report (as of September 2016)
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: 47.2 (out of 100)
View more at BridgeReports.com

Categories 

Frederick County, Maryland (82)
Maryland (678)
One-lane traffic (7,513)
Open (37,468)
Owned by county (19,092)
Pin-connected (3,554)
Pony truss (15,232)
Pratt pony truss (3,238)
Pratt truss (8,206)
Span length 50-75 feet (9,216)
Total length 50-75 feet (8,669)
Truss (29,972)

Update Log 

  • June 2, 2017: Updated by Christopher Finigan: Added category "Pin-connected"
  • March 22, 2009: New photos from Daniel McFarland

Sources 

  • Daniel McFarland