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ROCK CREEK PARKWAY over ROCK CREEK

Map 

Coordinates:
+38.91983, -77.05283
38°55'11" N, 77°03'10" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:ROCK CREEK PARKWAY over ROCK CREEK
Structure number:3450004P0000000
Location:1.0 MILE FROM P STREET
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:88.9 ft. [27.1 m]
Total length:88.9 ft. [27.1 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:55.4 ft. [16.9 m]
Skew angle:30°
Owner:National Park Service [66]
Year built:1937
Year reconstructed:1987
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2015 

Status:Open, no restriction [A]
Average daily traffic:39,736 [as of 2007]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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 protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:47.3 tons [43.0 metric tons]
Inventory rating:27.5 tons [25.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:69.1
Estimated cost of work:$300,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201569.1Functionally obsoleteSatisfactorySatisfactoryGood39736
June 201369.1Functionally obsoleteSatisfactorySatisfactoryGood39736
June 201169.1Functionally obsoleteSatisfactorySatisfactoryGood39736
June 200969.1Functionally obsoleteSatisfactorySatisfactoryGood39736
July 200769.1Functionally obsoleteSatisfactorySatisfactoryGood39736
June 200569.1Functionally obsoleteGoodSatisfactoryGood39736
July 200369.1Functionally obsoleteGoodSatisfactoryGood39736
June 200169.1Functionally obsoleteGoodSatisfactoryGood39736
May 199969.1Functionally obsoleteGoodSatisfactoryGood39736