I 93 NB B10-B16 over I 93 SB B10-B16


+42.38236, -71.07661
42°22'56" N, 71°04'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 NB B10-B16 over I 93 SB B10-B16
Structure number:B162813E1DOTNBI
Location:1.0 MI N OF JCT I93 & US1
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:79.1 ft. [24.1 m]
Total length:456.1 ft. [139.0 m]
Roadway width between curbs:62.0 ft. [18.9 m]
Deck width edge-to-edge:68.9 ft. [21.0 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
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:6
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:61,150 [as of 2015]
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]
Sufficiency rating:86.9
Recommended work:Bridge deck rehabilitation with only incidental widening. [36]
Estimated cost of work:$7,312,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairFairSatisfactorySatisfactory6115086.9
April 2015FairFairSatisfactorySatisfactory4794088.2
April 2013FairFairSatisfactorySatisfactory4794088.2
March 2011FairFairSatisfactorySatisfactory7620085.4
April 2008FairFairSatisfactorySatisfactory7620085.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.3,834243,778320
Steel Protective Coatingsq. ft.40,06136,2963,717480
Reinforced Concrete Decksq. ft.29,76729,7550120
Wearing Surfacessq. ft.27,39227,06632420
Steel Columneach1881000
Steel Protective Coatingsq. ft.9,1113,8722,6202,6190
Steel Pier Caplinear ft.72738433760
Steel Protective Coatingsq. ft.13,43910,2953,124200
Open Jointlinear ft.187187000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.572571010
Reinforced Concrete Bridge Raillinear ft.5725550170