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PERRING PKWY RAMP over HERRING RUN

Map 

Coordinates:
+39.35256, -76.57492
39°21'09" N, 76°34'30" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:PERRING PKWY RAMP over HERRING RUN
Structure number:200000BC3203010
Location:ON RAMP WB NORTHERN PKWY
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:65.9 ft. [20.1 m]
Total length:203.1 ft. [61.9 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Skew angle:32°
Owner:City or Municipal Highway Agency [04]
Year built:1965
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:Bituminous [6]

Latest Available Inspection: December 2014 

Status:Open, no restriction [A]
Average daily traffic:72,000 [as of 2003]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry 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 minimum criteria [6]
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 the assessed or calculated scour condition. [8]
Operating rating:69.9 tons [63.5 metric tons]
Inventory rating:39.9 tons [36.3 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:39.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$172,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201439.0Structurally deficientFairSeriousFair72000
December 201254.4Structurally deficientPoorPoorFair72000
December 201057.8Structurally deficientFairPoorFair72000
March 200857.8Structurally deficientFairPoorFair72000
January 200654.2Structurally deficientFairPoorFair72000
November 200354.2Structurally deficientFairPoorFair72000
October 200354.2Structurally deficientFairPoorFair72000
December 200155.7Structurally deficientFairPoorFair62000
November 199974.9Functionally obsoleteSatisfactoryFairFair62000
December 199786.9Functionally obsoleteSatisfactorySatisfactorySatisfactory62000
January 199786.9Functionally obsoleteSatisfactorySatisfactorySatisfactory62000
March 199588.1Functionally obsoleteGoodGoodSatisfactory62000
October 199288.1Functionally obsoleteGoodGoodSatisfactory62000
November 199085.8Functionally obsoleteVery GoodGoodGood62000