Share:

I 93 /US1/ST3 over COMB MBTA & COLUMBIA RD

Map

Coordinates:
+42.32054, -71.05308
42°19'14" N, 71°03'11" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 93 /US1/ST3 over COMB MBTA & COLUMBIA RD
Structure number:B162593ECDOTNBI
Old structure number:3EC093896159101 (from 1992 edition)
Location:2 MI S OF JCT I90
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:84.0 ft. [25.6 m]
Total length:1530.9 ft. [466.6 m]
Roadway width between curbs:104.0 ft. [31.7 m]
Deck width edge-to-edge:111.2 ft. [33.9 m]
Vertical clearance above deck:18.4 ft. [5.6 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1958
Year reconstructed:1984
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:23
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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:208,707 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:68.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$84,992,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016FairSatisfactoryFairFair20870768.0
October 2014FairSatisfactorySatisfactoryFair18400068.0
October 2012FairSatisfactorySatisfactoryFair18400068.0
July 2010FairSatisfactorySatisfactoryFair18400068.0
May 2008FairSatisfactoryGoodFair18400068.0
March 2000FairSatisfactoryGoodSatisfactory17711179.0
March 1998FairSatisfactoryGoodSatisfactory17711179.0
March 1996FairSatisfactoryGoodSatisfactory17711168.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.23,7559,34010,5483,8670
Steel Protective Coatingsq. ft.212,62769,80589,74948,4584,615
Deck
Reinforced Concrete Decksq. ft.261,174152,78774,30434,0830
Wearing Surfacessq. ft.251,870129,476104,76317,6310
Substructure
Steel Columneach106038680
Steel Protective Coatingsq. ft.34,1046,82115,3478,5263,410
Reinforced Concrete Abutmentlinear ft.24610181640
Steel Pier Caplinear ft.3,29202,1411,1510
Steel Protective Coatingsq. ft.50,754022,83917,76410,151
Joints
Strip Seal Jointlinear ft.96410273511215
Bearings
Movable Bearingeach5605060
Steel Protective Coatingsq. ft.323117711332
Fixed Bearingeach2802350
Steel Protective Coatingsq. ft.1140682917
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6,0324,0421,7702200