I 90 EB over RR MBTA


+42.35326, -71.11618
42°21'12" N, 71°06'58" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 90 EB over RR MBTA
Structure number:B163594RXDOTNBI
Location:.1 MI S. CHARLES RV S111
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:115.2 ft. [35.1 m]
Total length:2484.0 ft. [757.1 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:54.1 ft. [16.5 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Owner:State Highway Agency [01]
Year built:1965
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:29
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:66,468 [as of 2013]
Truck traffic:12% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:8.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$130,247,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017PoorPoorFairPoor664688.4
February 2015PoorPoorPoorPoor664688.4
February 2013PoorPoorFairFair6646823.4
October 2010PoorPoorFairFair6290423.4
April 2008PoorPoorFairFair6290423.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,45502,24520010
Steel Protective Coatingsq. ft.60,71630,3580030,358
Steel Stringerlinear ft.20,16748819,4792000
Steel Protective Coatingsq. ft.215,079488213,59101,000
Reinforced Concrete Decksq. ft.142,85623,826119,020100
Wearing Surfacessq. ft.131,419131,4081010
Reinforced Concrete Columneach60292290
Reinforced Concrete Abutmentlinear ft.102911100
Reinforced Concrete Pier Caplinear ft.46843810200
Compression Jointlinear ft.1,7981,04910059950
Movable Bearingeach111010650
Steel Protective Coatingsq. ft.2220172050
Fixed Bearingeach96663000
Steel Protective Coatingsq. ft.1921620030
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.2,4802,4300500
Steel Protective Coatingsq. ft.2,4802,480000
Reinforced Concrete Bridge Raillinear ft.2,4801,48001,0000