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ROCK CREEK PARKWAY over ROCK CREEK

Map

Coordinates:
+38.92405, -77.04858
38°55'27" N, 77°02'55" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ROCK CREEK PARKWAY over ROCK CREEK
Structure number:3450018P0000000
Location:0.3 MILES FROM HARVARD ST
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:146.7 ft. [44.7 m]
Total length:201.8 ft. [61.5 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Skew angle:54°
Owner:National Park Service [66]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:28,795 [as of 2007]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:65.8
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$98,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairGoodFairGood2879565.8
June 2015FairSatisfactoryFairGood2879565.7
June 2013FairSatisfactoryFairGood2879565.7
June 2011FairSatisfactoryFairGood2879565.7
June 2009FairSatisfactoryFairGood2879565.7
July 2007FairSatisfactoryFairGood2879565.7
June 2005FairGoodSatisfactoryGood2879577.4
July 2003FairGoodSatisfactoryGood2879577.4
June 2001FairGoodSatisfactoryGood2879577.4
May 1999GoodGoodGoodGood2879577.4