MD 100 EBR over US 29 NBR


+39.25365, -76.82227
39°15'13" N, 76°49'20" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MD 100 EBR over US 29 NBR
Structure number:100000130121010
Location:0.24 MILE SOUTH OF MD 103
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:237.9 ft. [72.5 m]
Total length:442.9 ft. [135.0 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:47.9 ft. [14.6 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1992
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:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:75,332 [as of 2009]
Truck traffic:8% 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:100.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2016FairSatisfactoryGoodGood75332100.0
March 2014FairSatisfactoryGoodGood75332100.0
March 2012FairSatisfactoryGoodGood75332100.0
March 2010FairSatisfactoryGoodGood11348100.0
April 2008FairSatisfactoryGoodGood11348100.0
May 2006FairSatisfactoryGoodGood10566100.0
December 2004FairSatisfactoryGoodGood10566100.0
December 2002FairSatisfactoryGoodGood12000100.0
December 2000FairSatisfactoryGoodGood12000100.0
December 1998FairSatisfactoryVery GoodGood12000100.0
January 1997GoodGoodVery GoodGood12000100.0
September 1994GoodGoodVery GoodGood-100.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.3,0662,68638000
Steel Protective Coatingsq. ft.53,07050,4172,65300
Reinforced Concrete Decksq. ft.21,26420,818425210
Reinforced Concrete Pier Walllinear ft.4040000
Reinforced Concrete Abutmentlinear ft.9688800
Reinforced Concrete Pier Caplinear ft.10096400
Compression Jointlinear ft.48260139
Assembly with Sealeach4848000
Disk Bearingeach2802800
Steel Protective Coatingsq. ft.70561400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.876871050