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NORTHERN PKWY RAMP over I-83

Map 

Coordinates:
+39.36065, -76.65020
39°21'38" N, 76°39'01" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NORTHERN PKWY RAMP over I-83
Structure number:200000BC3123010
Location:WB RAMP FROM N PKWY
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:94.2 ft. [28.7 m]
Total length:195.9 ft. [59.7 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Skew angle:33°
Owner:City or Municipal Highway Agency [04]
Year built:1959
Year reconstructed:1987
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:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: November 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,350 [as of 2014]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:38.0 tons [34.5 metric tons]
Inventory rating:38.0 tons [34.5 metric tons]
Sufficiency rating:84.4
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$124,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201684.4FairGoodFairSatisfactory-5350
November 201482.4FairGoodFairSatisfactoryFO5350
December 201282.4FairGoodFairSatisfactoryFO5350
December 201082.4FairGoodFairFairFO5350
December 200982.4FairGoodFairFairFO5350
December 200782.4FairGoodFairFairFO5350
November 200582.4FairGoodFairFairFO5100
October 200382.4FairGoodFairFairFO5100
January 200282.5FairGoodFairFairFO4344
February 200082.5FairGoodFairFairFO4344
February 199882.5FairGoodFairFairFO4344
June 199582.6FairGoodFairFair-4344
December 199280.7FairGoodFairFair-25727
November 199077.1GoodGoodGoodGood-25727