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

Map

Coordinates:
+39.69793, -78.24688
39°41'53" N, 78°14'49" 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:17.1 ft. [5.2 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 2015

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]
Operating rating:69.9 tons [63.5 metric tons]
Inventory rating:41.9 tons [38.1 metric tons]
Sufficiency rating:83.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201583.0FairSatisfactoryGoodGood-57252
June 201383.0FairSatisfactoryGoodGood-57252
May 201183.0FairSatisfactoryGoodGood-57252
April 200983.0FairSatisfactoryGoodGood-62822
January 200783.0FairSatisfactoryGoodGood-74650
November 200483.0FairSatisfactoryGoodGood-74650
October 200285.0FairSatisfactoryGoodGood-43075
August 200085.0FairSatisfactoryGoodGood-43075
August 199885.0FairSatisfactoryGoodGood-43075
April 199785.0GoodGoodGoodGood-43075
February 199785.0GoodGoodGoodGood-43075
February 199591.9GoodGoodGoodGood-21700
February 199391.9GoodGoodVery GoodGood-21700
February 199187.7GoodGoodGoodGood-21700

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.4,31204,31020
Steel Protective Coatingsq. ft.43,208043,198100
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 Bearingeach56030260
Steel Protective Coatingsq. ft.1940104900
Fixed Bearingeach1401400
Steel Protective Coatingsq. ft.5005000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.790788200