I 93 SB BT 38-46 over TR ORANGE LINE


+42.37536, -71.07302
42°22'31" N, 71°04'23" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 SB BT 38-46 over TR ORANGE LINE
Structure number:B162813EBDOTNBI
Location:.7 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:651.9 ft. [198.7 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:14.8 ft. [4.5 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 / HS 20 [5]
Number of main spans:8
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: November 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:72,100 [as of 2010]
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:Basically intolerable requiring high priority of corrrective action [3]
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:70.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$22,436,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2016FairSatisfactorySatisfactoryFair7210070.7
November 2014FairSatisfactorySatisfactoryFair7210070.7
November 2012FairSatisfactorySatisfactoryFair7210076.3
May 2010FairSatisfactorySatisfactoryFair7210078.1
April 2008FairSatisfactorySatisfactoryFair7210078.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,3041,25537120
Steel Protective Coatingsq. ft.23,55023,2082401020
Steel Stringerlinear ft.4,5644,563100
Steel Protective Coatingsq. ft.31,13531,134100
Reinforced Concrete Decksq. ft.44,98844,980620
Wearing Surfacessq. ft.40,42438,1782,24600
Steel Floor Beamlinear ft.995991400
Steel Protective Coatingsq. ft.15,20015,1851500
Steel Columneach2417700
Steel Protective Coatingsq. ft.11,85511,855000
Steel Pier Caplinear ft.84660182370
Steel Protective Coatingsq. ft.9,7807,0802,2005000
Open Jointlinear ft.207207000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,3041,2931010
Reinforced Concrete Bridge Raillinear ft.1,3041,2772700