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PARK ROAD, N.W. over ROCK CREEK

Map 

Coordinates:
+38.93971, -77.05160
38°56'23" N, 77°03'06" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:PARK ROAD, N.W. over ROCK CREEK
Structure number:0020
Location:PIERCE MILL & ROCK CR
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:69.9 ft. [21.3 m]
Total length:131.9 ft. [40.2 m]
Roadway width between curbs:21.3 ft. [6.5 m]
Deck width edge-to-edge:29.5 ft. [9.0 m]
Owner:State Highway Agency [01]
Year reconstructed:1993
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: August 2014 

Status:Open, no restriction [A]
Average daily traffic:11,900 [as of 2007]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:71.8 tons [65.3 metric tons]
Inventory rating:42.9 tons [39.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:77.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201477.8Functionally obsoleteGoodGoodSatisfactory11900
August 201278.8Functionally obsoleteGoodSatisfactorySatisfactory11900
August 201078.8Functionally obsoleteGoodSatisfactorySatisfactory11900
June 200878.8Functionally obsoleteGoodSatisfactorySatisfactory11900
June 200679.1Functionally obsoleteGoodGoodGood10500
May 200479.1Functionally obsoleteGoodGoodGood10500
June 200279.1Functionally obsoleteGoodGoodGood10500
November 200079.1Not deficientVery GoodVery GoodVery Good10500
June 199876.1Not deficientVery GoodVery GoodVery Good10500
October 199676.1Not deficientVery GoodVery GoodVery Good10500
February 199477.9Not deficientExcellentVery GoodGood10500
February 199211.1Structurally deficientFairPoorPoor9800