RAMP 6 over Nicholson Street


+38.87830, -76.98037
38°52'42" N, 76°58'49" 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:13.8 ft. [4.2 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: October 2016

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]
Operating rating:57.9 tons [52.6 metric tons]
Inventory rating:35.0 tons [31.8 metric tons]
Sufficiency rating:89.9

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201689.9PoorPoorSatisfactorySatisfactorySD2250
October 201487.9PoorPoorSatisfactoryGoodSD2250
October 201285.9PoorSeriousSatisfactoryGoodSD2250
October 201085.8PoorSeriousSatisfactoryGoodSD2250
October 200889.8FairFairSatisfactoryGoodFO2250
October 200681.5PoorPoorSatisfactoryGoodSD2250
October 200484.5FairSatisfactoryGoodGoodFO2250
November 200284.5FairSatisfactoryGoodGoodFO2250
January 200183.5FairSatisfactoryGoodGoodFO2250
August 199883.5FairSatisfactoryGoodGoodFO2250
October 199683.5FairSatisfactoryGoodGoodFO2250
July 199290.0----FO2250
July 199090.0----FO2250

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.3903176580
Steel Protective Coatingsq. ft.2,1452157721,1580
Reinforced Concrete Decksq. ft.2,3434691,841330
Wearing Surfacessq. ft.1,38601,38600
Reinforced Concrete Abutmentlinear ft.225220500
Compression Jointlinear ft.5004505
Assembly with Sealeach50010400
Movable Bearingeach60060
Steel Protective Coatingsq. ft.40040
Fixed Bearingeach60600
Steel Protective Coatingsq. ft.40400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1321220100
Other Material Bridge Raillinear ft.132127500