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I 93 SB BT 38-46 over TR ORANGE LINE

Map

Coordinates:
+42.37583, -71.07389
42°22'33" N, 71°04'26" W

Facts

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:32.2 ft. [9.8 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]
Operating rating:54.6 tons [49.6 metric tons]
Inventory rating:32.5 tons [29.5 metric tons]
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201670.7FairSatisfactorySatisfactoryFairFO72100
November 201470.7FairSatisfactorySatisfactoryFairFO72100
November 201276.3FairSatisfactorySatisfactoryFair-72100
May 201078.1FairSatisfactorySatisfactoryFair-72100
April 200878.1FairSatisfactorySatisfactoryFair-72100

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,280509592710
Steel Protective Coatingsq. ft.1,9981,998000
Steel Stringerlinear ft.8,9502,6326,307110
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.46,49344,1682,32500
Wearing Surfacessq. ft.44,91842,6722,24600
Superstructure
Steel Floor Beamlinear ft.99424874600
Steel Protective Coatingsq. ft.999999000
Substructure
Steel Columneach2420400
Steel Protective Coatingsq. ft.1,9981,998000
Steel Pier Caplinear ft.5610542190
Steel Protective Coatingsq. ft.1,9981,998000
Joints
Open Jointlinear ft.187187000
Bridge Rail
Other Material Bridge Raillinear ft.1,28001,28000