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I 93 NB BT 33-38 over I 93 SB BT 33-38

Map

Coordinates:
+42.37417, -71.07139
42°22'27" N, 71°04'17" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 NB BT 33-38 over I 93 SB BT 33-38
Structure number:B162813DUDOTNBI
Location:.6 MI N OF JCT I93&US1
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:82.0 ft. [25.0 m]
Total length:469.5 ft. [143.1 m]
Roadway width between curbs:62.0 ft. [18.9 m]
Deck width edge-to-edge:68.9 ft. [21.0 m]
Vertical clearance below bridge:14.8 ft. [4.5 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: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: February 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:58,900 [as of 2016]
Truck traffic:8% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:54.7 tons [49.7 metric tons]
Inventory rating:32.8 tons [29.8 metric tons]
Sufficiency rating:85.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$16,235,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201685.7FairFairSatisfactorySatisfactoryFO58900
February 201484.1FairFairSatisfactorySatisfactoryFO74200
February 201285.6FairFairSatisfactorySatisfactoryFO74200
February 201084.5FairSatisfactorySatisfactorySatisfactoryFO96400

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.2,30602,30600
Steel Protective Coatingsq. ft.1,9981,998000
Steel Stringerlinear ft.6,78816,78700
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.66,82763,4863,34100
Wearing Surfacessq. ft.65,18661,9273,25900
Superstructure
Steel Floor Beamlinear ft.1,41117057050
Steel Protective Coatingsq. ft.999999000
Substructure
Steel Columneach2826200
Steel Protective Coatingsq. ft.1,9981,998000
Steel Pier Caplinear ft.42702991280
Steel Protective Coatingsq. ft.1,9981,998000
Joints
Assembly with Sealeach259025900
Bridge Rail
Other Material Bridge Raillinear ft.1,64001,64000