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HWY NORFOLK ST over RR AMTRAK/MBTA

Map

Coordinates:
+42.28306, -71.08389
42°16'59" N, 71°05'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY NORFOLK ST over RR AMTRAK/MBTA
Structure number:B161623HBDOT634
Location:.33 MI W OF JCTSR28&SR203
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:112.9 ft. [34.4 m]
Total length:126.0 ft. [38.4 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:58.1 ft. [17.7 m]
Vertical clearance below bridge:19.4 ft. [5.9 m]
Skew angle:52°
Owner:State Highway Agency [01]
Year built:1901
Year reconstructed:1986
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Steel [3]
Main span design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,750 [as of 2016]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
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]
Operating rating:65.1 tons [59.2 metric tons]
Inventory rating:40.4 tons [36.7 metric tons]
Sufficiency rating:94.8
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$743,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201694.8FairGoodGoodSatisfactoryFO11750
February 201494.8FairGoodGoodSatisfactoryFO12500
February 201294.8FairGoodGoodSatisfactoryFO12500
February 201094.8FairGoodGoodSatisfactoryFO12500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.6969000
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.2,4162,3902600
Wearing Surfacessq. ft.5154892600
Superstructure
Steel Floor Beamlinear ft.1,0061,006000
Steel Protective Coatingsq. ft.999999000
Substructure
Masonry Abutmentlinear ft.7907900
Joints
Other Jointlinear ft.2702700
Bearings
Movable Bearingeach1414000
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach1414000
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.157000157
Reinforced Concrete Bridge Raillinear ft.2522183400