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MD 942 over N BRANCH POTOMAC RIVER

Map

Coordinates:
+39.64867, -78.76579
39°38'55" N, 78°45'57" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MD 942 over N BRANCH POTOMAC RIVER
Structure number:100000010066010
Location:ON WEST VIRGINIA LINE
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:155.8 ft. [47.5 m]
Total length:320.9 ft. [97.8 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:40.7 ft. [12.4 m]
Vertical clearance above deck:18.0 ft. [5.5 m]
Owner:State Highway Agency [01]
Year built:1953
Year reconstructed:1996
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Arch - Thru [12]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: December 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:7,242 [as of 2016]
Truck traffic:8% of total traffic
Deck condition:Fair [5 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: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 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]
Sufficiency rating:56.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,837,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017FairFairSatisfactorySatisfactory724256.5
December 2015FairSatisfactorySatisfactorySatisfactory764257.1
November 2013FairSatisfactorySatisfactorySatisfactory764261.7
October 2011FairSatisfactorySatisfactorySatisfactory759161.8
October 2009FairSatisfactorySatisfactorySatisfactory730162.3
January 2008FairSatisfactorySatisfactorySatisfactory99977.7
October 2005FairSatisfactorySatisfactorySatisfactory99977.7
October 2003FairSatisfactorySatisfactorySatisfactory99977.7
October 2001FairSatisfactorySatisfactorySatisfactory99977.7
October 1999FairSatisfactorySatisfactorySatisfactory99977.7
October 1997PoorPoorPoorSatisfactory99946.4
October 1995PoorPoorPoorSatisfactory99944.4
October 1993PoorSatisfactoryPoorGood99944.5
October 1991FairSatisfactoryFairGood99961.4