Share:

NORTHERN PKWY ON-R over MTA LIGHT RAIL

Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NORTHERN PKWY ON-R over MTA LIGHT RAIL
Structure number:200000BC3120010
Location:ON RAMP SB I-83
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:46.9 ft. [14.3 m]
Total length:53.2 ft. [16.2 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:28.2 ft. [8.6 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:55°
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]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: May 2014 

Status:Open, no restriction [A]
Average daily traffic:23,800 [as of 2014]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:65.9 tons [59.9 metric tons]
Inventory rating:38.9 tons [35.4 metric tons]
Sufficiency rating:85.2
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$38,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201485.2Not deficientSatisfactoryGoodFair23800
December 201292.5Functionally obsoleteSatisfactoryGoodSatisfactory23800
December 201196.7Not deficientSatisfactoryGoodSatisfactory23800
December 201096.7Not deficientSatisfactoryGoodSatisfactory23800
March 201096.7Not deficientSatisfactoryGoodSatisfactory23800
October 200896.7Not deficientSatisfactoryGoodSatisfactory23800
June 200796.7Not deficientSatisfactoryGoodSatisfactory23800
November 200596.7Not deficientSatisfactoryGoodSatisfactory23800
November 200396.7Not deficientGoodSatisfactorySatisfactory23800
December 200197.1Not deficientGoodGoodSatisfactory20499
November 199997.1Not deficientGoodGoodSatisfactory20499
January 199897.1Not deficientGoodGoodGood20499
March 199596.9Not deficientGoodGoodGood20499
February 199396.9Not deficientVery GoodVery GoodGood20499
January 199196.9Not deficientVery GoodVery GoodVery Good20499