Share:

81 NB over Conococheague

Map

Coordinates:
+39.94982, -77.58884
39°56'59" N, 77°35'20" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:81 NB over Conococheague
Structure number:000000000046032
Location:3.25 Mi n of 30
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:124.0 ft. [37.8 m]
Total length:317.9 ft. [96.9 m]
Roadway width between curbs:67.6 ft. [20.6 m]
Deck width edge-to-edge:67.6 ft. [20.6 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:2010
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
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: July 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:25,372 [as of 2016]
Truck traffic:28% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:96.8
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016GoodGoodGoodVery Good2537296.8
July 2014GoodGoodGoodVery Good2353593.0
July 2012GoodVery GoodVery GoodVery Good2167192.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.2,4432,438500
Deck
Reinforced Concrete Decksq. ft.20,98320,983000
Wearing Surfacessq. ft.20,147020,14700
Substructure
Reinforced Concrete Pier Walllinear ft.144144000
Reinforced Concrete Abutmentlinear ft.159159000
Joints
Strip Seal Jointlinear ft.204204000
Bearings
Elastomeric Bearingeach4848000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.627627000