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NORTHERN PARKWAY over I-83, JONES FALLS & MTA

Map 

Coordinates:
+39.36000, -76.65000
39°21'36" N, 76°39'00" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NORTHERN PARKWAY over I-83, JONES FALLS & MTA
Structure number:200000BC3209010
Location:1.5 MI N COLD SPRING LANE
Purpose:Carries highway and pedestrian walkway over highway, waterway, and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:177.2 ft. [54.0 m]
Total length:444.9 ft. [135.6 m]
Roadway width between curbs:78.1 ft. [23.8 m]
Deck width edge-to-edge:89.9 ft. [27.4 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:21°
Owner:City or Municipal Highway Agency [04]
Year built:1962
Year reconstructed:1988
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]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2014 

Status:Open, no restriction [A]
Average daily traffic:57,855 [as of 2007]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:68.9 tons [62.6 metric tons]
Inventory rating:40.9 tons [37.2 metric tons]
Sufficiency rating:89.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$133,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201489.8Not deficientGoodGoodGood57855
December 201289.8Not deficientGoodGoodGood57855
December 201190.8Not deficientGoodGoodGood57855
December 201087.5Functionally obsoleteGoodGoodGood57855
March 201087.5Functionally obsoleteGoodGoodGood57855
January 200890.8Not deficientGoodGoodGood57855
November 200591.2Not deficientGoodGoodGood55100
October 200391.2Not deficientGoodGoodGood55100
November 200391.2Not deficientGoodSatisfactoryGood55100
January 200292.3Not deficientGoodGoodGood47426
February 200092.3Not deficientGoodGoodGood47426
February 199892.3Not deficientGoodGoodGood47426
April 199591.8Not deficientGoodGoodGood47426
December 199295.1Not deficientGoodVery GoodGood25727
November 199091.7Not deficientVery GoodVery GoodVery Good25727