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HWY BOSTON ST over I 93 /US1/ST3

Map

Coordinates:
+42.32694, -71.05861
42°19'37" N, 71°03'31" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY BOSTON ST over I 93 /US1/ST3
Structure number:B162663F7DOTNBI
Location:2.4 KM S OF JCT I90&93
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:73.2 ft. [22.3 m]
Total length:152.9 ft. [46.6 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:37°
Owner:State Highway Agency [01]
Year built:1958
Year reconstructed:1987
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 18 / H 20 [4]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:19,100 [as of 2016]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
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]
Operating rating:66.6 tons [60.5 metric tons]
Inventory rating:63.5 tons [57.7 metric tons]
Sufficiency rating:73.6
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$5,998,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201673.6FairSatisfactorySatisfactoryGoodFO19100
November 201462.9FairSatisfactoryFairGoodFO13200
November 201262.4FairSatisfactoryFairFairFO16900
November 201062.4FairSatisfactoryFairFairFO16900
November 200862.4FairSatisfactoryFairSatisfactoryFO16900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,47601,47600
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.9,4807,9311,54900
Wearing Surfacessq. ft.6,1205,81430600
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.124124000
Reinforced Concrete Pier Caplinear ft.6262000
Joints
Compression Jointlinear ft.5005000
Other Jointlinear ft.100010000
Bearings
Movable Bearingeach2002000
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach2002000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.306306000