IS 495 over MD 650


+39.01924, -76.97647
39°01'09" N, 76°58'35" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 495 over MD 650
Structure number:100000150138010
Location:0.28 MI W OF PG CO
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:65.0 ft. [19.8 m]
Total length:201.1 ft. [61.3 m]
Roadway width between curbs:167.0 ft. [50.9 m]
Deck width edge-to-edge:173.2 ft. [52.8 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1963
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:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:242,500 [as of 2009]
Truck traffic:8% of total traffic
Deck condition:Good [7 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:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:84.3 tons [76.6 metric tons]
Inventory rating:50.4 tons [45.8 metric tons]
Sufficiency rating:81.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201681.0FairGoodSatisfactorySatisfactoryFO242500
September 201481.0FairGoodSatisfactorySatisfactoryFO242500
June 201281.0FairGoodSatisfactorySatisfactoryFO242500
April 201081.0FairGoodSatisfactorySatisfactoryFO242500
April 200881.0FairGoodSatisfactorySatisfactoryFO216190
May 200681.0FairGoodSatisfactorySatisfactoryFO219225
March 200481.0FairGoodSatisfactorySatisfactoryFO219225
March 200281.0FairGoodSatisfactoryGood-195275
February 200081.0FairGoodSatisfactoryGood-195275
December 199781.0GoodGoodGoodGood-195275
February 199681.0GoodVery GoodVery GoodVery Good-194250
February 199481.0GoodVery GoodGoodGood-194250