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HWY BLAKEMORE ST over RR AMTRAK/MBTA

Map

Coordinates:
+42.28549, -71.11955
42°17'08" N, 71°07'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY BLAKEMORE ST over RR AMTRAK/MBTA
Structure number:B16105390MUNNBI
Location:3.8 W OF RT 93
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Local (Urban) [19]
Length of largest span:70.9 ft. [21.6 m]
Total length:75.1 ft. [22.9 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:41.0 ft. [12.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1882
Year reconstructed:1950
Historic significance:Historical significance is not determinable at this time [4]
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: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,200 [as of 2017]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:Meets minimum tolerable limits to be left in place as is [4]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:58.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,490,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactoryFairGood1320058.9
March 2015FairSatisfactorySatisfactoryGood990070.7
March 2013FairSatisfactorySatisfactoryGood990070.7
March 2011FairSatisfactorySatisfactoryGood990070.7
March 2009FairSatisfactorySatisfactoryGood990070.7
March 2007FairSatisfactorySatisfactoryGood960070.7
March 2005FairSatisfactorySatisfactoryGood940070.8
November 2002FairSatisfactorySatisfactoryGood1310070.3
December 2000FairSatisfactorySatisfactoryGood1120070.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.144066726
Steel Protective Coatingsq. ft.1,00801,00800
Deck
Reinforced Concrete Decksq. ft.1,9471,83711000
Wearing Surfacessq. ft.1,65382782600
Superstructure
Steel Floor Beamlinear ft.776077600
Steel Protective Coatingsq. ft.3,87603,87600
Substructure
Masonry Abutmentlinear ft.8208200
Bearings
Movable Bearingeach20200
Steel Protective Coatingsq. ft.40400
Fixed Bearingeach20200
Steel Protective Coatingsq. ft.40400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.150015000
Steel Protective Coatingsq. ft.600060000