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I 290 WB over I 495

Map

Coordinates:
+42.36308, -71.59039
42°21'47" N, 71°35'25" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 290 WB over I 495
Structure number:M060161TYDOTNBI
Old structure number:1TY094385021141 (from 1992 edition)
Location:2 MILES NORTH OF ROUTE 20
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:98.1 ft. [29.9 m]
Total length:272.0 ft. [82.9 m]
Roadway width between curbs:40.4 ft. [12.3 m]
Deck width edge-to-edge:58.1 ft. [17.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:23°
Owner:State Highway Agency [01]
Year built:1968
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
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: October 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:22,690 [as of 2016]
Truck traffic:15% of total traffic
Deck condition:Satisfactory [6 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:Better than present minimum criteria [7]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:74.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$7,610,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017FairSatisfactoryFairSatisfactory2269074.2
October 2015FairSatisfactoryFairSatisfactory3660072.4
October 2013FairSatisfactoryFairSatisfactory7200068.0
October 2011FairSatisfactorySatisfactoryGood7200064.9
October 2009FairSatisfactoryFairGood7200052.0
September 1999FairGoodGoodSatisfactory1350074.3
September 1997FairGoodGoodSatisfactory1350077.4
September 1995FairGoodGoodSatisfactory1200066.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,1332,00840850
Steel Protective Coatingsq. ft.26,46525,55690900
Deck
Reinforced Concrete Decksq. ft.14,68811,7102,97530
Wearing Surfacessq. ft.15,33814,83650200
Substructure
Reinforced Concrete Columneach85300
Reinforced Concrete Abutmentlinear ft.140131900
Reinforced Concrete Pier Caplinear ft.120843600
Joints
Compression Jointlinear ft.116113003
Other Jointlinear ft.116980180
Bearings
Movable Bearingeach2424000
Steel Protective Coatingsq. ft.4848000
Fixed Bearingeach2424000
Steel Protective Coatingsq. ft.4848000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.528523500
Reinforced Concrete Bridge Raillinear ft.528528000