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MD 927-MONTROSE RD over IS 270 & C-D ROADS

Map

Coordinates:
+39.05639, -77.15484
39°03'23" N, 77°09'17" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MD 927-MONTROSE RD over IS 270 & C-D ROADS
Structure number:100000150068010
Location:1.36 MILES S OF MD 189
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:81.0 ft. [24.7 m]
Total length:314.0 ft. [95.7 m]
Roadway width between curbs:94.2 ft. [28.7 m]
Deck width edge-to-edge:108.3 ft. [33.0 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:27°
Owner:State Highway Agency [01]
Year built:1988
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:4
Main spans material:Steel continuous [4]
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: December 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:57,252 [as of 2009]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:83.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017FairSatisfactoryGoodGood5725283.0
December 2015FairSatisfactoryGoodGood5725283.0
June 2013FairSatisfactoryGoodGood5725283.0
May 2011FairSatisfactoryGoodGood5725283.0
April 2009FairSatisfactoryGoodGood6282283.0
January 2007FairSatisfactoryGoodGood7465083.0
November 2004FairSatisfactoryGoodGood7465083.0
October 2002FairSatisfactoryGoodGood4307585.0
August 2000FairSatisfactoryGoodGood4307585.0
August 1998FairSatisfactoryGoodGood4307585.0
April 1997GoodGoodGoodGood4307585.0
February 1997GoodGoodGoodGood4307585.0
February 1995GoodGoodGoodGood2170091.9
February 1993GoodGoodVery GoodGood2170091.9
February 1991GoodGoodGoodGood2170087.7

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.4,3124,2862420
Steel Protective Coatingsq. ft.43,208043,193150
Deck
Reinforced Concrete Decksq. ft.33,95333,953000
Substructure
Reinforced Concrete Pier Walllinear ft.3543124110
Reinforced Concrete Abutmentlinear ft.2412271400
Reinforced Concrete Pier Caplinear ft.3573193800
Joints
Compression Jointlinear ft.2170177400
Bearings
Movable Bearingeach5605600
Steel Protective Coatingsq. ft.1940104900
Fixed Bearingeach1414000
Steel Protective Coatingsq. ft.5005000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.790788200