I 93 NB ON RMP over I 93 SB


+42.38167, -71.07667
42°22'54" N, 71°04'36" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 NB ON RMP over I 93 SB
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 below bridge:15.7 ft. [4.8 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 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:24,300 [as of 2008]
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]
Operating rating:59.5 tons [54.1 metric tons]
Inventory rating:35.8 tons [32.5 metric tons]
Sufficiency rating:92.6
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$7,171,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201592.6FairFairSatisfactorySatisfactory-24300
April 201392.6FairFairSatisfactorySatisfactory-24300
March 201193.7FairSatisfactorySatisfactorySatisfactory-24300
May 200893.7FairSatisfactorySatisfactorySatisfactory-24300
January 200093.9GoodGoodGoodGood-21854
November 199739.0GoodGoodGoodGoodSD10
August 199539.0GoodGoodGoodGoodSD10
July 199139.0GoodGoodGoodGoodSD-

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,5421,4657700
Steel Protective Coatingsq. ft.999999000
Reinforced Concrete Decksq. ft.12,46311,80465900
Wearing Surfacessq. ft.12,16311,55560800
Steel Columneach1211100
Steel Protective Coatingsq. ft.1,9981,998000
Steel Pier Caplinear ft.43325617700
Steel Protective Coatingsq. ft.1,9981,998000
Compression Jointlinear ft.2302300
Open Jointlinear ft.2323000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3002890110
Reinforced Concrete Bridge Raillinear ft.693693000