RAMP 6 over Nicholson Street


+38.87453, -76.97581
38°52'28" N, 76°58'33" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RAMP 6 over Nicholson Street
Structure number:1001(RAMP 6)
Location:Ramp to Nicholson St.
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:62.0 ft. [18.9 m]
Total length:65.9 ft. [20.1 m]
Roadway width between curbs:21.0 ft. [6.4 m]
Deck width edge-to-edge:35.4 ft. [10.8 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:2,250 [as of 2007]
Truck traffic:2% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:89.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018PoorPoorSatisfactorySatisfactory225089.9
October 2016PoorPoorSatisfactorySatisfactory225089.9
October 2014PoorPoorSatisfactoryGood225087.9
October 2012PoorSeriousSatisfactoryGood225085.9
October 2010PoorSeriousSatisfactoryGood225085.8
October 2008FairFairSatisfactoryGood225089.8
October 2006PoorPoorSatisfactoryGood225081.5
October 2004FairSatisfactoryGoodGood225084.5
November 2002FairSatisfactoryGoodGood225084.5
January 2001FairSatisfactoryGoodGood225083.5
August 1998FairSatisfactoryGoodGood225083.5
October 1996FairSatisfactoryGoodGood225083.5
July 1992----225090.0
July 1990----225090.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.3900356340
Steel Protective Coatingsq. ft.2,1452157721,1580
Reinforced Concrete Decksq. ft.2,3432,067921840
Wearing Surfacessq. ft.1,38601,38600
Reinforced Concrete Abutmentlinear ft.10009640
Compression Jointlinear ft.100010090
Assembly with Sealeach5005000
Movable Bearingeach60060
Steel Protective Coatingsq. ft.40040
Fixed Bearingeach60510
Steel Protective Coatingsq. ft.40400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.13210710150
Reinforced Concrete Bridge Raillinear ft.132132000