I 93 SB BT 33-38 over TR ORANGE LINE


+42.37446, -71.07159
42°22'28" N, 71°04'18" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 SB BT 33-38 over TR ORANGE LINE
Structure number:B162813EADOTNBI
Location:.6 MI N OF JCT I93&US1
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:82.0 ft. [25.0 m]
Total length:406.8 ft. [124.0 m]
Roadway width between curbs:62.0 ft. [18.9 m]
Deck width edge-to-edge:68.9 ft. [21.0 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Vertical clearance below bridge:29.5 ft. [9.0 m]
Owner:State Highway Agency [01]
Year built:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:5
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:87,100 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:74.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$14,093,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016FairSatisfactorySatisfactoryFair8710074.9
July 2014FairSatisfactorySatisfactoryFair7210076.5
July 2012FairSatisfactorySatisfactoryFair7210078.1
February 2010FairSatisfactorySatisfactoryFair6870078.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.89483546130
Steel Protective Coatingsq. ft.16,15015,9901004020
Steel Stringerlinear ft.2,8422,842000
Steel Protective Coatingsq. ft.19,39019,390000
Reinforced Concrete Decksq. ft.28,83428,54402900
Wearing Surfacessq. ft.25,17225,172000
Steel Floor Beamlinear ft.622622000
Steel Protective Coatingsq. ft.9,4009,400000
Steel Columneach1412020
Steel Protective Coatingsq. ft.6,0806,080000
Steel Pier Caplinear ft.521238247360
Steel Protective Coatingsq. ft.6,1004,6001,10035050
Strip Seal Jointlinear ft.6906900
Open Jointlinear ft.6967020
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.388378730
Reinforced Concrete Bridge Raillinear ft.81274642240