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PA 997; Black Gap over CONOCOCHEAGUE CREEK

Map

Coordinates:
+39.91003, -77.51834
39°54'36" N, 77°31'06" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:PA 997; Black Gap over CONOCOCHEAGUE CREEK
Structure number:000000000017460
Old structure number:280997033013950 (from 1992 edition)
Location:BLACKGAP
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:45.9 ft. [14.0 m]
Total length:96.1 ft. [29.3 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:47.9 ft. [14.6 m]
Skew angle:25°
Owner:State Highway Agency [01]
Year built:1969
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:2
Main spans material:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,244 [as of 2016]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:85.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2016FairSatisfactoryFairGood624485.3
June 2014FairSatisfactorySatisfactoryGood617196.8
June 2012FairSatisfactorySatisfactoryGood686396.5
June 2010FairSatisfactorySatisfactoryGood668096.6
July 2008FairGoodSatisfactoryGood657296.6
August 2006FairVery GoodSatisfactoryGood538997.2
August 2004FairVery GoodSatisfactoryGood515597.3
August 2002FairVery GoodSatisfactoryGood507997.4
August 2000FairFairGoodGood592293.9
June 1998FairFairGoodGood577894.0
June 1996FairSatisfactoryGoodGood500196.4
June 1994FairSatisfactoryGoodGood478896.5
July 1992GoodGoodGoodVery Good468596.5
June 1990FairSatisfactoryGoodGood461396.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.1,0801,0562400
Deck
Reinforced Concrete Decksq. ft.3,9603,960000
Wearing Surfacessq. ft.3,9603,960000
Substructure
Reinforced Concrete Pier Walllinear ft.5252000
Reinforced Concrete Abutmentlinear ft.104104000
Joints
Strip Seal Jointlinear ft.4848000
Bearings
Elastomeric Bearingeach4848000
Bridge Rail
Other Material Bridge Raillinear ft.226226000