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I 90 WB RAMP OFF over RR MBTA

Map

Coordinates:
+42.35616, -71.11875
42°21'22" N, 71°07'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 90 WB RAMP OFF over RR MBTA
Structure number:B163584RWDOTNBI
Location:.1 MI S. CHARLES RV S111
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Tolls:Yes, on toll road [2]
Length of largest span:85.0 ft. [25.9 m]
Total length:315.3 ft. [96.1 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:47.9 ft. [14.6 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:4
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: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:16,500 [as of 2015]
Truck traffic:7% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:55.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$7,604,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2017FairFairFairSatisfactory1650055.2
January 2015FairFairFairSatisfactory1650055.2
January 2013FairFairFairSatisfactory1991554.8
January 2011FairFairFairSatisfactory11179.0
October 2008FairFairFairSatisfactory11179.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.348391881210
Steel Protective Coatingsq. ft.4,1112,361750750250
Steel Stringerlinear ft.2,20602,20060
Steel Protective Coatingsq. ft.19,5227,5224,5004,0003,500
Deck
Reinforced Concrete Decksq. ft.15,10214,4274302450
Wearing Surfacessq. ft.12,62011,3708504000
Substructure
Reinforced Concrete Columneach80440
Reinforced Concrete Abutmentlinear ft.77432860
Joints
Compression Jointlinear ft.21538100770
Bearings
Movable Bearingeach1401400
Steel Protective Coatingsq. ft.4212101010
Fixed Bearingeach70700
Steel Protective Coatingsq. ft.28013510
Bridge Rail
Other Material Bridge Raillinear ft.6313821311180