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ST 1 A/LEE BRBNK over COMB ST16 & MBTA/BMRR

Map

Coordinates:
+42.40712, -71.00271
42°24'26" N, 71°00'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ST 1 A/LEE BRBNK over COMB ST16 & MBTA/BMRR
Structure number:R0501839CDOTNBI
Location:1000 FT SW OF JET SR60&1A
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:67.9 ft. [20.7 m]
Total length:176.8 ft. [53.9 m]
Roadway width between curbs:65.9 ft. [20.1 m]
Deck width edge-to-edge:80.1 ft. [24.4 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:1934
Year reconstructed:1977
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:52,900 [as of 2018]
Truck traffic:12% of total traffic
Deck condition:Satisfactory [6 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:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:89.8
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$1,312,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactorySatisfactorySatisfactory5290089.8
March 2016FairSatisfactorySatisfactorySatisfactory5290089.8
March 2014FairSatisfactorySatisfactorySatisfactory5290089.8
March 2012FairSatisfactorySatisfactorySatisfactory5290089.8
March 2010FairSatisfactorySatisfactorySatisfactory5240089.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.2,8352,835000
Steel Protective Coatingsq. ft.41,782041,78200
Steel Stringerlinear ft.2,0042,004000
Steel Protective Coatingsq. ft.16,032016,03200
Deck
Reinforced Concrete Decksq. ft.15,47612,6762,4004000
Wearing Surfacessq. ft.13,500012,0001,5000
Superstructure
Steel Floor Beamlinear ft.360360000
Steel Protective Coatingsq. ft.2,88002,88000
Substructure
Reinforced Concrete Columneach1001000
Reinforced Concrete Abutmentlinear ft.2061703600
Reinforced Concrete Pier Caplinear ft.20611066300
Joints
Compression Jointlinear ft.31223250300
Bearings
Movable Bearingeach1515000
Steel Protective Coatingsq. ft.45030150
Fixed Bearingeach55000
Steel Protective Coatingsq. ft.1501050
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.4764660010