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NORTHERN PARKWAY over HERRING RUN, PERRING PKW

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

Facts 

Name:NORTHERN PARKWAY over HERRING RUN, PERRING PKW
Structure number:200000BC3201010
Location:0.4 MI E LOCH RAVEN BLVD
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:111.9 ft. [34.1 m]
Total length:483.9 ft. [147.5 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:67.9 ft. [20.7 m]
Vertical clearance below bridge:19.0 ft. [5.8 m]
Skew angle:31°
Owner:City or Municipal Highway Agency [04]
Year built:1957
Year reconstructed:1989
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:5
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: January 2015 

Status:Open, no restriction [A]
Average daily traffic:1,171 [as of 2007]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:84.8 tons [77.1 metric tons]
Inventory rating:49.9 tons [45.4 metric tons]
Sufficiency rating:94.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$288,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201594.7Not deficientSatisfactorySatisfactorySatisfactory1171
January 201394.7Not deficientSatisfactorySatisfactorySatisfactory1171
January 201194.7Not deficientSatisfactorySatisfactorySatisfactory1171
January 201094.7Not deficientSatisfactorySatisfactorySatisfactory1171
January 200894.7Not deficientSatisfactorySatisfactorySatisfactory1171
November 200594.7Not deficientSatisfactorySatisfactorySatisfactory1115
November 200394.7Not deficientSatisfactorySatisfactorySatisfactory1115
March 200294.8Not deficientSatisfactorySatisfactorySatisfactory999
February 200094.8Not deficientGoodSatisfactorySatisfactory999
March 199894.8Not deficientGoodSatisfactorySatisfactory999
April 199592.8Not deficientGoodSatisfactorySatisfactory999
November 199293.8Not deficientVery GoodGoodGood999
December 199092.8Functionally obsoleteVery GoodGoodGood999