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 - Other Freeways or Expressways (Urban) [12]
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 2014 

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:Good [7 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Evaluation:Structurally deficient [1]
Sufficiency rating:87.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201487.9Structurally deficientPoorSatisfactoryGood2250
October 201285.9Structurally deficientSeriousSatisfactoryGood2250
October 201085.8Structurally deficientSeriousSatisfactoryGood2250
October 200889.8Functionally obsoleteFairSatisfactoryGood2250
October 200681.5Structurally deficientPoorSatisfactoryGood2250
October 200484.5Functionally obsoleteSatisfactoryGoodGood2250
November 200284.5Functionally obsoleteSatisfactoryGoodGood2250
January 200183.5Functionally obsoleteSatisfactoryGoodGood2250
August 199883.5Functionally obsoleteSatisfactoryGoodGood2250
October 199683.5Functionally obsoleteSatisfactoryGoodGood2250
July 199290.0Functionally obsolete---2250
July 199090.0Functionally obsolete---2250