Share:

HWY BAKER ST over RR MBTA/CSX

Map

Coordinates:
+42.27889, -71.16750
42°16'44" N, 71°10'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY BAKER ST over RR MBTA/CSX
Structure number:B161743HEDOT634
Location:.8 KM NE OF JCT SR109&RT1
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Collector (Urban) [17]
Length of largest span:38.7 ft. [11.8 m]
Total length:40.4 ft. [12.3 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:42.7 ft. [13.0 m]
Vertical clearance below bridge:18.0 ft. [5.5 m]
Skew angle:21°
Owner:State Highway Agency [01]
Year built:1906
Year reconstructed:1977
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 18 / H 20 [4]
Main span material:Prestressed concrete [5]
Main span design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:12,931 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 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 corrrective action [3]
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]
Operating rating:56.4 tons [51.3 metric tons]
Inventory rating:42.4 tons [38.5 metric tons]
Sufficiency rating:58.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$908,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201658.9FairFairFairSatisfactoryFO12931
February 201460.0FairFairFairSatisfactoryFO8500
February 201260.0FairFairFairSatisfactoryFO8500
February 201072.8GoodGoodGoodGoodFO6100

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.4494341500
Deck
Reinforced Concrete Decksq. ft.1,7181,6328600
Wearing Surfacessq. ft.1,2041,1446000
Substructure
Reinforced Concrete Abutmentlinear ft.2412311000
Bearings
Elastomeric Bearingeach2222000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.56282800