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I 93 NB ON RMP over I 93 SB, MBTA ORANGE LN

Map

Coordinates:
+42.38197, -71.07692
42°22'55" N, 71°04'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 NB ON RMP over I 93 SB, MBTA ORANGE LN
Structure number:B162813CEDOTNBI
Old structure number:3CE093896F1V101 (from 1992 edition)
Location:.8 MI N OF JCT I93&US1
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:77.1 ft. [23.5 m]
Total length:299.9 ft. [91.4 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:44.9 ft. [13.7 m]
Vertical clearance above deck:16.7 ft. [5.1 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:99°
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:4
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:24,300 [as of 2015]
Truck traffic:4% 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:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:92.6
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$6,598,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairFairSatisfactorySatisfactory2430092.6
April 2015FairFairSatisfactorySatisfactory2430092.6
April 2013FairFairSatisfactorySatisfactory2430092.6
March 2011FairSatisfactorySatisfactorySatisfactory2430093.7
May 2008FairSatisfactorySatisfactorySatisfactory2430093.7
January 2000GoodGoodGoodGood2185493.9
November 1997GoodGoodGoodGood1039.0
August 1995GoodGoodGoodGood1039.0
July 1991GoodGoodGoodGood-39.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,64977187440
Steel Protective Coatingsq. ft.14,8989,4145,3765454
Deck
Reinforced Concrete Decksq. ft.12,86512,8460190
Wearing Surfacessq. ft.5,7105,66216320
Substructure
Steel Columneach126600
Steel Protective Coatingsq. ft.3,0202,50551500
Steel Pier Caplinear ft.50413536540
Steel Protective Coatingsq. ft.9,1765,8553,033144144
Joints
Compression Jointlinear ft.3903900
Open Jointlinear ft.3737000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.306305010
Reinforced Concrete Bridge Raillinear ft.421420100