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Boulder Bridge

National Park Service

Overview: Concrete arch bridge over Rock Creek on Beach Drive located within Rock Creek Park
Location: Washington, Washington, District of Columbia
Status: Open to traffic
History: Built 1902
Builders: - J.W. Douglas
- Lansing H. Beach
Design: The reinforced concrete arch is faced with large fieldstones found nearby.
Dimensions: Span length: 74.2 ft.
Total length: 74.2 ft.
Deck width: 20.0 ft.
Recognition: Posted to the National Register of Historic Places on March 20, 1980
Also called: Beach Drive Bridge
Approximate latitude, longitude: +38.94836, -77.04493 (decimal degrees)
38°56'54" N, 77°02'42" W (degrees°minutes'seconds")
Approximate UTM coordinates: 18/322789/4313034 (zone/easting/northing)
USGS topographic map: Washington West
Inventory numbers: NRHP 80000348 (National Register of Historic Places reference number)
BH 12237 (Bridgehunter.com ID)
Inspection (as of 06/2011): Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 50.7 (out of 100)
Average daily traffic (as of 2007): 13,774

February 27, 2013: Updated by Andy Peters: adds NHRP reference number; changes primary name of bridge; adds name of builders
May 4, 2010: New Street View added by Nathan Holth